Mauthausen: Nikoloz Basilashvili vs Sandro Kopp
Prediction market · Polymarket
Overview
This market refers to the tennis match between Nikoloz Basilashvili and Sandro Kopp in the Mauthausen, originally scheduled for April 27, 2026 at 4:00AM ET. This market will resolve to 'Nikoloz Basilashvili' if Nikoloz Basilashvili advances against Sandro Kopp. This market will resolve to 'Sandro Kopp' if Sandro Kopp advances against Nikoloz Basilashvili. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Ticker
atp-basilas-kopp-2026-04-27
Volume
9.9K
24h volume
7.8K
1w volume
9.9K
Open interest
5.7K
Liquidity
190.2K
Liquidity CLOB
190.2K
Start
Apr 25, 2026
End
May 4, 2026
Status
Active
Access
Restricted
Created
Apr 27, 2026
Resolution source
https://www.atptour.com/en/scores/current
Event ID
417967
Slug
atp-basilas-kopp-2026-04-27
Markets
9
Raw event data
{
"id": "417967",
"ticker": "atp-basilas-kopp-2026-04-27",
"slug": "atp-basilas-kopp-2026-04-27",
"title": "Mauthausen: Nikoloz Basilashvili vs Sandro Kopp",
"description": "This market refers to the tennis match between Nikoloz Basilashvili and Sandro Kopp in the Mauthausen, originally scheduled for April 27, 2026 at 4:00AM ET.\n\nThis market will resolve to 'Nikoloz Basilashvili' if Nikoloz Basilashvili advances against Sandro Kopp.\n\nThis market will resolve to 'Sandro Kopp' if Sandro Kopp advances against Nikoloz Basilashvili.\n\nIf the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.\n\nIf the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.\n\nIf the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.\n\nThe primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"startDate": "2026-04-25T22:06:48.175652Z",
"creationDate": "2026-04-27T08:00:00Z",
"endDate": "2026-05-04T08:00:00Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"active": true,
"closed": false,
"archived": false,
"new": false,
"featured": false,
"restricted": true,
"liquidity": 190245.7998,
"volume": 9893.71144,
"openInterest": 5711.997946,
"createdAt": "2026-04-25T22:00:18.324722Z",
"updatedAt": "2026-04-28T03:12:34.323161Z",
"competitive": 0.9997750506136119,
"volume24hr": 7784.33694,
"volume1wk": 9893.71144,
"volume1mo": 9893.71144,
"volume1yr": 9893.71144,
"enableOrderBook": true,
"liquidityClob": 190245.7998,
"negRisk": false,
"commentCount": 0,
"markets": [
{
"id": "2080258",
"question": "Mauthausen: Nikoloz Basilashvili vs Sandro Kopp",
"conditionId": "0x189ca212f8f8e9bc66d8c471a37c7730fcbcb3880e7a2a2a68f004f3a67e453d",
"slug": "atp-basilas-kopp-2026-04-27",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "173899.1131",
"startDate": "2026-04-25T22:03:02.077743Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Nikoloz Basilashvili and Sandro Kopp in the Mauthausen, originally scheduled for April 27, 2026 at 4:00AM ET.\n\nThis market will resolve to 'Nikoloz Basilashvili' if Nikoloz Basilashvili advances against Sandro Kopp.\n\nThis market will resolve to 'Sandro Kopp' if Sandro Kopp advances against Nikoloz Basilashvili.\n\nIf the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.\n\nIf the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.\n\nIf the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.\n\nThe primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.",
"outcomes": "[\"Nikoloz Basilashvili\", \"Sandro Kopp\"]",
"outcomePrices": "[\"0.695\", \"0.305\"]",
"volume": "9893.71144",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-25T22:00:18.502016Z",
"updatedAt": "2026-04-28T03:11:45.290746Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemThreshold": "0",
"questionID": "0x0c108e944296830a2d3993c93b455ba995d83ff565e098f80426bfbc1f2976aa",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 9893.71144,
"liquidityNum": 173899.1131,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-25",
"hasReviewedDates": true,
"volume24hr": 7784.33694,
"volume1wk": 9893.71144,
"volume1mo": 9893.71144,
"volume1yr": 9893.71144,
"gameStartTime": "2026-04-28 08:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"75846925449068006836210614917726855292921836203953464055323171448016769395947\", \"55417767864277904931628646582954864578553306031102290472949433727974691839208\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 7784.33694,
"volume1wkClob": 9893.71144,
"volume1moClob": 9893.71144,
"volume1yrClob": 9893.71144,
"volumeClob": 9893.71144,
"liquidityClob": 173899.1131,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-25T22:01:58Z",
"cyom": false,
"competitive": 0.9633679342983069,
"pagerDutyNotificationEnabled": false,
"approved": true,
"clobRewards": [
{
"id": "243306",
"conditionId": "0x189ca212f8f8e9bc66d8c471a37c7730fcbcb3880e7a2a2a68f004f3a67e453d",
"assetAddress": "0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174",
"rewardsAmount": 0,
"rewardsDailyRate": 113,
"startDate": "2026-04-27",
"endDate": "2500-12-31"
}
],
"rewardsMinSize": 1000,
"rewardsMaxSpread": 2.5,
"spread": 0.01,
"oneDayPriceChange": 0.08,
"lastTradePrice": 0.7,
"bestBid": 0.69,
"bestAsk": 0.7,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "moneyline",
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-25T22:00:34.55461Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083261",
"question": "Basilashvili vs. Kopp: Match O/U 21.5",
"conditionId": "0xdf23ada3929b663dc4beb2742bc10e5f607a656366a157fd13b0d54c365800fc",
"slug": "atp-basilas-kopp-2026-04-27-match-total-21pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "1393.6598",
"startDate": "2026-04-26T05:09:57.539413Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Nikoloz Basilashvili and Sandro Kopp in the Mauthausen, originally scheduled for April 27, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official Challenger statistics.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.56\", \"0.44\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:25.351913Z",
"updatedAt": "2026-04-28T03:11:36.807771Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Mauthausen: Nikoloz Basilashvili vs Sandro Kopp Match O/U 21.5",
"groupItemThreshold": "1",
"questionID": "0x251d08021be1b060eb4ab4976a8bfd2afc12fbd05e0041b0ee616d5e273133ec",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 1393.6598,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-28 08:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"64900660263905243533822998484036727279064144757077226672231188516856141125312\", \"48468264847276442593708396291327784988580746004057197985851694152544156196953\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 1393.6598,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:08:54Z",
"cyom": false,
"competitive": 0.9964129135113591,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.04,
"oneDayPriceChange": 0.05,
"bestBid": 0.54,
"bestAsk": 0.58,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 21.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:43.024038Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083264",
"question": "Nikoloz Basilashvili vs. Sandro Kopp: Total Sets O/U 2.5",
"conditionId": "0xc5591786ec89e6e9420e7d33b7e9d0e9b48034166daad903c88869a5b7a0bc9b",
"slug": "atp-basilas-kopp-2026-04-27-set-totals-2pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "1388.69",
"startDate": "2026-04-26T05:05:07.698032Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Nikoloz Basilashvili and Sandro Kopp in the Mauthausen, originally scheduled for April 27, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to \"Under.\"\nA super tie breaker is considered as one (1) set for total set markets.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official Challenger statistics.",
"outcomes": "[\"Over 2.5\", \"Under 2.5\"]",
"outcomePrices": "[\"0.395\", \"0.605\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:25.357364Z",
"updatedAt": "2026-04-28T03:11:09.436805Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Mauthausen: Nikoloz Basilashvili vs Sandro Kopp Total Sets: O/U 2.5",
"groupItemThreshold": "1",
"questionID": "0xafab77cbf81368f000456d6a4f5e4b0a026fd798784096b4fc8ac8c8358ca42c",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 1388.69,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-28 08:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"35736612177589121643070254776570791824571997683845154064317851462319099094900\", \"79169143541480355303212635320772323975646002643720235159536241031322819357464\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 1388.69,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:04:04Z",
"cyom": false,
"competitive": 0.9890952251428006,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.03,
"oneDayPriceChange": -0.12,
"oneHourPriceChange": -0.005,
"bestBid": 0.38,
"bestAsk": 0.41,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_set_totals",
"line": 2.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:43.316464Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083262",
"question": "Basilashvili vs. Kopp: Set 1 Games O/U 8.5",
"conditionId": "0xd3be168812f28c69faae275cf7ab4edca2ba679b7b6b1c8dab88c9e065e48deb",
"slug": "atp-basilas-kopp-2026-04-27-first-set-total-8pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "729.9699",
"startDate": "2026-04-26T05:15:12.273795Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Nikoloz Basilashvili and Sandro Kopp in the Mauthausen, originally scheduled for April 27, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to \"Under.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official Challenger results.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.76\", \"0.24\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:25.353386Z",
"updatedAt": "2026-04-28T03:11:28.173821Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Mauthausen: Nikoloz Basilashvili vs Sandro Kopp Set 1 O/U 8.5",
"groupItemThreshold": "2",
"questionID": "0x0d00a02716eb3b4f9bdb216e61b723d311169f23cc59e8f0a855f40befe577cd",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 729.9699,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-28 08:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"65742129670817777567444141422044869164351856256047962917424730777346725826834\", \"87131483125950279188838374551408692330693539022098624518609698141274798148702\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 729.9699,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:14:08Z",
"cyom": false,
"competitive": 0.9366804046459348,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.04,
"oneDayPriceChange": 0.24,
"bestBid": 0.74,
"bestAsk": 0.78,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 8.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:43.036563Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083266",
"question": "Basilashvili vs. Kopp: Set 1 Games O/U 9.5",
"conditionId": "0x8aae2dadf07465c565f03625fa1ab74c5d99f50752a384814c42fdc885c17672",
"slug": "atp-basilas-kopp-2026-04-27-first-set-total-9pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "2.4906",
"startDate": "2026-04-26T05:10:31.603421Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Nikoloz Basilashvili and Sandro Kopp in the Mauthausen, originally scheduled for April 27, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to \"Under.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official Challenger results.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.51\", \"0.49\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:25.555871Z",
"updatedAt": "2026-04-28T03:11:31.390748Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Mauthausen: Nikoloz Basilashvili vs Sandro Kopp Set 1 O/U 9.5",
"groupItemThreshold": "2",
"questionID": "0x29b994100be6f7503bf73ffdba7e7b85f6b0af920d53a605c88f171812d896d0",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 2.4906,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-28 08:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"87869688653354271565966383256419844888398361034364879369326828178014145606735\", \"59580216069850714372779376031242253341195442733015395794895377676554405871043\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 2.4906,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:09:28Z",
"cyom": false,
"competitive": 0.059994000599940006,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.94,
"oneDayPriceChange": -0.005,
"oneHourPriceChange": -0.005,
"bestBid": 0.04,
"bestAsk": 0.98,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 9.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:43.324054Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083267",
"question": "Basilashvili vs. Kopp: Set 1 Games O/U 10.5",
"conditionId": "0x0584cc7384e82396695b0025cee9403dc1e45f86ffaa228c1e5156efacfa7a31",
"slug": "atp-basilas-kopp-2026-04-27-first-set-total-10pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "787.88",
"startDate": "2026-04-26T05:04:07.032302Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Nikoloz Basilashvili and Sandro Kopp in the Mauthausen, originally scheduled for April 27, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to \"Under.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.\nResolution will be based on official Challenger results.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.27\", \"0.73\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:25.750538Z",
"updatedAt": "2026-04-28T03:11:39.604629Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Mauthausen: Nikoloz Basilashvili vs Sandro Kopp Set 1 O/U 10.5",
"groupItemThreshold": "2",
"questionID": "0x5452cf0f7a7fa117bf8cc246c6bf6d2fdc9f3249ff009210de955d7e5f213b08",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 787.88,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-28 08:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"69044918797950223799997933406503894003557160477568840294304094479676018378827\", \"7662367616203207282236815887314578626092907531199341439679326949570245690275\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 787.88,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:03:04Z",
"cyom": false,
"competitive": 0.9497578117580017,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.04,
"oneDayPriceChange": -0.245,
"bestBid": 0.25,
"bestAsk": 0.29,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 10.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:43.594299Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083263",
"question": "Set 1 Winner: Basilashvili vs Kopp",
"conditionId": "0xe9b48ae68c4010750cad8d5c0ae190e40e52f208a2cc3e99374648be26550db0",
"slug": "atp-basilas-kopp-2026-04-27-first-set-winner-Basilashvili-vs-Kopp",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "1295.0098",
"startDate": "2026-04-26T05:07:52.056721Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Nikoloz Basilashvili and Sandro Kopp in the Mauthausen, originally scheduled for April 27, 2026 at 4:00AM ET.\nThis market will resolve to “Basilashvili” if Nikoloz Basilashvili wins the first set. It will resolve to “Kopp” if Sandro Kopp wins the first set.\nIf the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.\nIf the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.\nResolution will be based on official Challenger match statistics.",
"outcomes": "[\"Basilashvili\", \"Kopp\"]",
"outcomePrices": "[\"0.62\", \"0.38\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:25.355766Z",
"updatedAt": "2026-04-28T03:11:55.312975Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Mauthausen: Nikoloz Basilashvili vs Sandro Kopp Set 1 Winner",
"groupItemThreshold": "1",
"questionID": "0xb9e08e7903d044eb6b1f5fce110fe147c00db05a8c58e2dac267c5b672e8d482",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 1295.0098,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-28 08:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"10748629651104551847276554129388454956415321264246650160674438647120610328024\", \"24338060361869947619560392506336062541692705416536357223003333802963447596136\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 1295.0098,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:06:48Z",
"cyom": false,
"competitive": 0.9858044164037855,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.02,
"oneDayPriceChange": 0.115,
"bestBid": 0.61,
"bestAsk": 0.63,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_winner",
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:43.044319Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083265",
"question": "Basilashvili vs. Kopp: Match O/U 22.5",
"conditionId": "0x8579fd14c40a7c7ff3cfed99e68f6e864a4df5bffb9a4e5bce90bcb1ab7322a8",
"slug": "atp-basilas-kopp-2026-04-27-match-total-22pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "2501.1871",
"startDate": "2026-04-26T05:09:02.664243Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Nikoloz Basilashvili and Sandro Kopp in the Mauthausen, originally scheduled for April 27, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official Challenger statistics.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.485\", \"0.515\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:25.533444Z",
"updatedAt": "2026-04-28T03:11:31.070223Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Mauthausen: Nikoloz Basilashvili vs Sandro Kopp Match O/U 22.5",
"groupItemThreshold": "1",
"questionID": "0x27f95d45c2bcefdf33246a9bf90272864b65c1606ee243fe8ab6f8a1e6323c5a",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 2501.1871,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-28 08:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"32015245111560152920928025997095495648710277459934526735814509935048268666770\", \"103629333668803580998018736025634303717982509865263583188853629912701419250768\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 2501.1871,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:07:58Z",
"cyom": false,
"competitive": 0.9997750506136119,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.03,
"oneDayPriceChange": -0.02,
"oneHourPriceChange": -0.005,
"bestBid": 0.47,
"bestAsk": 0.5,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 22.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:43.31763Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
},
{
"id": "2083268",
"question": "Basilashvili vs. Kopp: Match O/U 23.5",
"conditionId": "0x126d328906be1be31246c6d8f88ba852e4002d7736f9ba5a27cc9e1809340df2",
"slug": "atp-basilas-kopp-2026-04-27-match-total-23pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-05-04T08:00:00Z",
"liquidity": "1369.23",
"startDate": "2026-04-26T05:16:47.406285Z",
"image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"icon": "https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg",
"description": "This market refers to the tennis match between Nikoloz Basilashvili and Sandro Kopp in the Mauthausen, originally scheduled for April 27, 2026 at 4:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed across all sets equals or exceeds 24. Otherwise, it will resolve to \"Under.\"\nAll tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official Challenger statistics.",
"outcomes": "[\"Over\", \"Under\"]",
"outcomePrices": "[\"0.43\", \"0.57\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-04-26T05:00:25.75385Z",
"updatedAt": "2026-04-28T03:11:32.291189Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Mauthausen: Nikoloz Basilashvili vs Sandro Kopp Match O/U 23.5",
"groupItemThreshold": "1",
"questionID": "0x1b5ee2116bca01e580b5bc2e0b30692f7039026b286cd809fe1b6c36b523ab1b",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 1369.23,
"endDateIso": "2026-05-04",
"startDateIso": "2026-04-26",
"hasReviewedDates": true,
"gameStartTime": "2026-04-28 08:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"62077812257745816495267864424129862090320107120319663189479817026711646952959\", \"102127584993264465819098017814924405797265238071581727079768146114029305925726\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 1369.23,
"makerBaseFee": 1000,
"takerBaseFee": 1000,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-04-26T05:15:44Z",
"cyom": false,
"competitive": 0.9951238929246691,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.04,
"oneDayPriceChange": -0.085,
"bestBid": 0.41,
"bestAsk": 0.45,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 23.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-04-26T05:00:43.609822Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": true,
"requiresTranslation": false,
"feeType": "sports_fees_v2",
"feeSchedule": {
"exponent": 1,
"rate": 0.03,
"takerOnly": true,
"rebateRate": 0.25
}
}
],
"series": [
{
"id": "10365",
"ticker": "atp",
"slug": "atp",
"title": "ATP",
"seriesType": "single",
"recurrence": "daily",
"image": "",
"icon": "",
"active": true,
"closed": false,
"archived": false,
"featured": false,
"restricted": true,
"createdAt": "2025-10-07T17:08:06.009679Z",
"updatedAt": "2026-04-28T03:12:55.523147Z",
"volume24hr": 6031123.195303,
"volume": 3276395.045476999,
"liquidity": 12088223.71584,
"commentCount": 2181,
"requiresTranslation": false
}
],
"tags": [
{
"id": "864",
"label": "Tennis",
"slug": "tennis",
"forceShow": false,
"publishedAt": "2024-01-12 19:45:09.662+00",
"createdAt": "2024-01-12T19:45:09.677Z",
"updatedAt": "2026-04-17T20:48:44.296144Z",
"requiresTranslation": false
},
{
"id": "1",
"label": "Sports",
"slug": "sports",
"forceShow": false,
"publishedAt": "2023-10-24 22:37:50.296+00",
"updatedBy": 15,
"createdAt": "2023-10-24T22:37:50.31Z",
"updatedAt": "2026-04-17T20:47:16.461062Z",
"forceHide": true,
"requiresTranslation": false
},
{
"id": "100639",
"label": "Games",
"slug": "games",
"forceShow": false,
"createdAt": "2024-09-23T22:41:37.670714Z",
"updatedAt": "2026-03-09T22:28:03.358133Z",
"requiresTranslation": false
}
],
"cyom": false,
"showAllOutcomes": true,
"showMarketImages": false,
"enableNegRisk": false,
"automaticallyActive": true,
"eventDate": "2026-04-28",
"startTime": "2026-04-28T08:00:00Z",
"seriesSlug": "atp",
"negRiskAugmented": false,
"pendingDeployment": false,
"deploying": false,
"gameId": 5406656,
"requiresTranslation": false,
"eventMetadata": {
"context_description": "Fifth-seeded Nikoloz Basilashvili (ATP 120) holds a clear edge over Austrian wildcard Sandro Kopp (ATP 317) in their first-round Mauthausen Challenger clash on outdoor clay, reflecting trader consensus on Basilashvili's superior experience and past success on the surface despite a 0-3 year-to-date main-draw clay record. Basilashvili arrives off a competitive first-round loss to Sebastian Ofner at Madrid Masters last week, following qualifying exits at Monte-Carlo and Bucharest, while Kopp, a 25-year-old local, builds momentum from recent Futures action but recent Shymkent Challenger qualifying defeats. No head-to-head exists; Kopp's home crowd and youth offer upset potential, with mild weather unlikely to disrupt play and no injury concerns reported. Basilashvili's projected path includes potential Round of 16 vs. Daniel Sanchis if victorious.",
"context_requires_regen": false,
"context_updated_at": "2026-04-28T02:24:34.328Z",
"league": "Mauthausen"
},
"teams": [
{
"id": 229618,
"name": "Nikoloz Basilashvili",
"league": "atp",
"record": "0-0",
"logo": "https://polymarket-upload.s3.us-east-2.amazonaws.com/country-flags/geo.png",
"abbreviation": "basilas",
"alias": "N. Basilashvili",
"createdAt": "2026-01-11T16:46:36.307988Z",
"updatedAt": "2026-04-24T15:38:36.460019Z",
"providerId": 158885,
"color": "#e02020"
},
{
"id": 3264893,
"name": "Sandro Kopp",
"league": "atp",
"record": "0-0",
"logo": "https://polymarket-upload.s3.us-east-2.amazonaws.com/country-flags/aut.png",
"abbreviation": "kopp",
"alias": "S. Kopp",
"createdAt": "2026-02-28T23:00:07.615209Z",
"updatedAt": "2026-04-24T15:38:25.017143Z",
"providerId": 881262,
"color": "#a02020"
}
]
}- Basilashvili vs. Kopp: Set 1 Games O/U 8.5Vol —Liq 730End May 4, 2026OpenOrder book
- Mauthausen: Nikoloz Basilashvili vs Sandro KoppVol 9.9KLiq 173.9KEnd May 4, 2026OpenOrder book
- Set 1 Winner: Basilashvili vs KoppVol —Liq 1.3KEnd May 4, 2026OpenOrder book
- Basilashvili vs. Kopp: Match O/U 21.5Vol —Liq 1.4KEnd May 4, 2026OpenOrder book
- Basilashvili vs. Kopp: Set 1 Games O/U 9.5Vol —Liq 2End May 4, 2026OpenOrder book
- Basilashvili vs. Kopp: Match O/U 22.5Vol —Liq 2.5KEnd May 4, 2026OpenOrder book
- Basilashvili vs. Kopp: Match O/U 23.5Vol —Liq 1.4KEnd May 4, 2026OpenOrder book
- Nikoloz Basilashvili vs. Sandro Kopp: Total Sets O/U 2.5Vol —Liq 1.4KEnd May 4, 2026OpenOrder book
- Basilashvili vs. Kopp: Set 1 Games O/U 10.5Vol —Liq 788End May 4, 2026OpenOrder book