
Hersonissos: Abedallah Shelbayh vs Menelaos Efstathiou
Prediction market · Polymarket
Overview
This market refers on the tennis match between Abedallah Shelbayh and Menelaos Efstathiou in the Hersonissos, scheduled for March 4 at 5:00AM ET. This market will resolve to 'Abedallah Shelbayh' if Abedallah Shelbayh advances against Menelaos Efstathiou. This market will resolve to 'Menelaos Efstathiou' if Menelaos Efstathiou advances against Abedallah Shelbayh. 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-shelbay-efstath-2026-03-04
Volume
1.2K
24h volume
946
1w volume
946
Open interest
0
Liquidity
6.6K
Liquidity CLOB
6.6K
Start
Mar 3, 2026
End
Mar 11, 2026
Status
Active
Access
Restricted
Created
Mar 4, 2026
Resolution source
https://www.atptour.com/en/scores/current
Event ID
243892
Slug
atp-shelbay-efstath-2026-03-04
Markets
9
Raw event data
{
"id": "243892",
"ticker": "atp-shelbay-efstath-2026-03-04",
"slug": "atp-shelbay-efstath-2026-03-04",
"title": "Hersonissos: Abedallah Shelbayh vs Menelaos Efstathiou",
"description": "This market refers on the tennis match between Abedallah Shelbayh and Menelaos Efstathiou in the Hersonissos, scheduled for March 4 at 5:00AM ET.\n\nThis market will resolve to 'Abedallah Shelbayh' if Abedallah Shelbayh advances against Menelaos Efstathiou.\n\nThis market will resolve to 'Menelaos Efstathiou' if Menelaos Efstathiou advances against Abedallah Shelbayh.\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": "2026-03-03T17:05:35.265746Z",
"creationDate": "2026-03-04T10:00:00Z",
"endDate": "2026-03-11T10:00:00Z",
"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": 6574.1937,
"volume": 1206.809088,
"openInterest": 0,
"createdAt": "2026-03-03T17:00:12.659755Z",
"updatedAt": "2026-03-04T10:17:54.56784Z",
"competitive": 0.9858044164037855,
"volume24hr": 945.827645,
"volume1wk": 945.827645,
"volume1mo": 945.827645,
"volume1yr": 945.827645,
"enableOrderBook": true,
"liquidityClob": 6574.1937,
"negRisk": false,
"commentCount": 0,
"markets": [
{
"id": "1493024",
"question": "Hersonissos: Abedallah Shelbayh vs Menelaos Efstathiou",
"conditionId": "0x714a9c2df1bfc12f9f238492ba168d84d694e93d6a0b0f79601bbf7ca3738a6a",
"slug": "atp-shelbay-efstath-2026-03-04",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-11T10:00:00Z",
"liquidity": "6196.9506",
"startDate": "2026-03-03T17:02:51.983943Z",
"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 on the tennis match between Abedallah Shelbayh and Menelaos Efstathiou in the Hersonissos, scheduled for March 4 at 5:00AM ET.\n\nThis market will resolve to 'Abedallah Shelbayh' if Abedallah Shelbayh advances against Menelaos Efstathiou.\n\nThis market will resolve to 'Menelaos Efstathiou' if Menelaos Efstathiou advances against Abedallah Shelbayh.\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": "[\"Abedallah Shelbayh\", \"Menelaos Efstathiou\"]",
"outcomePrices": "[\"0.755\", \"0.245\"]",
"volume": "1206.809088",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-03T17:00:12.76684Z",
"updatedAt": "2026-03-04T10:17:13.804979Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemThreshold": "0",
"questionID": "0x74dce43e25ecdf9c3c140272e8a34977be6664a1f02eb4899fb9c364a60e359c",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"volumeNum": 1206.809088,
"liquidityNum": 6196.9506,
"endDateIso": "2026-03-11",
"startDateIso": "2026-03-03",
"hasReviewedDates": true,
"volume24hr": 945.827645,
"volume1wk": 945.827645,
"volume1mo": 945.827645,
"volume1yr": 945.827645,
"gameStartTime": "2026-03-04 10:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"27348630576387518379937758808520603221289242700669416181370320257315470218637\", \"60233973941651572865388961956037617800696789719769087140122876701544322077160\"]",
"umaBond": "500",
"umaReward": "2",
"volume24hrClob": 945.827645,
"volume1wkClob": 945.827645,
"volume1moClob": 945.827645,
"volume1yrClob": 945.827645,
"volumeClob": 1206.809088,
"liquidityClob": 6196.9506,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-03T17:01:45Z",
"cyom": false,
"competitive": 0.938945095185559,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.01,
"lastTradePrice": 0.75,
"bestBid": 0.75,
"bestAsk": 0.76,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "moneyline",
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-03T17:00:18.071347Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1493631",
"question": "Abedallah Shelbayh vs. Menelaos Efstathiou: Total Sets O/U 2.5",
"conditionId": "0xf8b679675fe2b3278a80db9a10d1e1ea489d631b4f86fc313f02099ae1acaa27",
"slug": "atp-shelbay-efstath-2026-03-04-set-totals-2pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-11T10:00:00Z",
"liquidity": "9.9253",
"startDate": "2026-03-03T18:04:09.050535Z",
"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 Abedallah Shelbayh and Menelaos Efstathiou in the Hersonissos, scheduled for March 4 2026.\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": "[\"0.34\", \"0.66\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-03T18:00:16.34805Z",
"updatedAt": "2026-03-04T10:17:21.43627Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Hersonissos: Abedallah Shelbayh vs Menelaos Efstathiou Total Sets: O/U 2.5",
"groupItemThreshold": "1",
"questionID": "0x30e88f0e0cb55068ddc92ca5dfc8eb35c691ab85f8c8e21a601588e0f9bb421c",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 9.9253,
"endDateIso": "2026-03-11",
"startDateIso": "2026-03-03",
"hasReviewedDates": true,
"gameStartTime": "2026-03-04 10:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"46332739671323785673874593001952022693517302090886058441050431982757746498236\", \"111618933069386623025231492252552380271190358476286592223461738589731025994789\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 9.9253,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-03T18:03:03Z",
"cyom": false,
"competitive": 0.9750390015600624,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.08,
"bestBid": 0.3,
"bestAsk": 0.38,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_set_totals",
"line": 2.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-03T18:00:37.331851Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1493632",
"question": "Shelbayh vs. Efstathiou: Match O/U 21.5",
"conditionId": "0x26e13cd4d976f0b43a15e4edda1b85ecdd48925481cde5c2af6624945468e6d2",
"slug": "atp-shelbay-efstath-2026-03-04-match-total-21pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-11T10:00:00Z",
"liquidity": "3.009",
"startDate": "2026-03-03T18:03:29.811272Z",
"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 Abedallah Shelbayh and Menelaos Efstathiou in the Hersonissos, scheduled for March 4 2026.\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": "[\"0.485\", \"0.515\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-03T18:00:16.349946Z",
"updatedAt": "2026-03-04T10:17:25.201961Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Hersonissos: Abedallah Shelbayh vs Menelaos Efstathiou Match O/U 21.5",
"groupItemThreshold": "1",
"questionID": "0x078f6ad358094256a0e640b3a4ff17de6edae17f9a16f01a1178c662a3eba41e",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 3.009,
"endDateIso": "2026-03-11",
"startDateIso": "2026-03-03",
"hasReviewedDates": true,
"gameStartTime": "2026-03-04 10:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"89549291109276481551221424245304794138873681168627184078086578484491586884310\", \"5166312760082854424418984343505610201870791354159194220249141179774905295702\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 3.009,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-03T18:02:23Z",
"cyom": false,
"competitive": 0.049988752530680594,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.95,
"bestBid": 0.01,
"bestAsk": 0.96,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 21.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-03T18:00:37.427862Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1493633",
"question": "Set 1 Winner: Shelbayh vs Efstathiou",
"conditionId": "0x76f3a2012b14d0feea375dca34796a76073353c62ccbffdff5d26e3a7cd06d4c",
"slug": "atp-shelbay-efstath-2026-03-04-first-set-winner-Shelbayh-vs-Efstathiou",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-11T10:00:00Z",
"liquidity": "350.7579",
"startDate": "2026-03-03T18:03:50.767074Z",
"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 Abedallah Shelbayh and Menelaos Efstathiou in the Hersonissos, scheduled for March 4 2026.\nThis market will resolve to “Shelbayh” if Abedallah Shelbayh wins the first set. It will resolve to “Efstathiou” if Menelaos Efstathiou 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": "[\"Shelbayh\", \"Efstathiou\"]",
"outcomePrices": "[\"0.62\", \"0.38\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-03T18:00:16.35082Z",
"updatedAt": "2026-03-04T10:17:38.284022Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Hersonissos: Abedallah Shelbayh vs Menelaos Efstathiou Set 1 Winner",
"groupItemThreshold": "1",
"questionID": "0x10cfc37f0e3d8907a7a5861eaf9da9b4ca87f696b41eb55363290aa150596700",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 350.7579,
"endDateIso": "2026-03-11",
"startDateIso": "2026-03-03",
"hasReviewedDates": true,
"gameStartTime": "2026-03-04 10:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"65427202958245319027898407202682273867479003750865391172092803403522548326974\", \"103788411142771039912540044515169160544674952086096084307803938358635252224726\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 350.7579,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-03T18:02:45Z",
"cyom": false,
"competitive": 0.9858044164037855,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.18,
"bestBid": 0.53,
"bestAsk": 0.71,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_winner",
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-03T18:00:37.328963Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1493635",
"question": "Shelbayh vs. Efstathiou: Match O/U 22.5",
"conditionId": "0x6b5a74dd17af3898e8b82dd4f33adc690b9572bb3dd12a0651cb446e1720e40a",
"slug": "atp-shelbay-efstath-2026-03-04-match-total-22pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-11T10:00:00Z",
"liquidity": "2.7094",
"startDate": "2026-03-03T18:05:17.723757Z",
"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 Abedallah Shelbayh and Menelaos Efstathiou in the Hersonissos, scheduled for March 4 2026.\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": "[\"0.5\", \"0.5\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-03T18:00:16.457636Z",
"updatedAt": "2026-03-04T10:17:34.414497Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Hersonissos: Abedallah Shelbayh vs Menelaos Efstathiou Match O/U 22.5",
"groupItemThreshold": "1",
"questionID": "0x80ea95e93b31d278ad0407cc7abed0154045d584b2eb8b2f946c54e1fb4054b4",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 2.7094,
"endDateIso": "2026-03-11",
"startDateIso": "2026-03-03",
"hasReviewedDates": true,
"gameStartTime": "2026-03-04 10:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"52870954289187101137187078428398742424476931329006698989671219599374131108060\", \"1338386398582563239854270753752151690996368714636072392373036171544965249042\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 2.7094,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-03T18:04:11Z",
"cyom": false,
"competitive": 0.02,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.98,
"bestBid": 0.01,
"bestAsk": 0.99,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 22.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-03T18:00:37.427977Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1493637",
"question": "Shelbayh vs. Efstathiou: Match O/U 23.5",
"conditionId": "0x231ff1683f7acfb13a471f05f6508f48e2cead21216721dbafa55ee7459237ef",
"slug": "atp-shelbay-efstath-2026-03-04-match-total-23pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-11T10:00:00Z",
"liquidity": "2.7114",
"startDate": "2026-03-03T18:04:51.582133Z",
"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 Abedallah Shelbayh and Menelaos Efstathiou in the Hersonissos, scheduled for March 4 2026.\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": "[\"0.5\", \"0.5\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-03T18:00:16.564465Z",
"updatedAt": "2026-03-04T10:17:38.58316Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Hersonissos: Abedallah Shelbayh vs Menelaos Efstathiou Match O/U 23.5",
"groupItemThreshold": "1",
"questionID": "0x81b1e07780b47ef5b31b9580f5ae98f5dea23fb4ba5968168297e7ee05e9b405",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 2.7114,
"endDateIso": "2026-03-11",
"startDateIso": "2026-03-03",
"hasReviewedDates": true,
"gameStartTime": "2026-03-04 10:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"41798770518859434554419679632608160784758232231202365229539794561576546181209\", \"106035105122220078530167050453835957389153853323946030238043106456765852351630\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 2.7114,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-03T18:03:45Z",
"cyom": false,
"competitive": 0.02,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.98,
"bestBid": 0.01,
"bestAsk": 0.99,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_match_totals",
"line": 23.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-03T18:00:37.429708Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1493634",
"question": "Shelbayh vs. Efstathiou: Set 1 Games O/U 8.5",
"conditionId": "0xc1a77d2475b1bc02fd6e3aa9286a438fe299ce0e6ea8f594825a7c068b9239a0",
"slug": "atp-shelbay-efstath-2026-03-04-first-set-total-8pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-11T10:00:00Z",
"liquidity": "2.7096",
"startDate": "2026-03-03T18:04:18.296301Z",
"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 Abedallah Shelbayh and Menelaos Efstathiou in the Hersonissos, scheduled for March 4 2026.\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": "[\"0.5\", \"0.5\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-03T18:00:16.352392Z",
"updatedAt": "2026-03-04T10:17:14.250652Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Hersonissos: Abedallah Shelbayh vs Menelaos Efstathiou Set 1 O/U 8.5",
"groupItemThreshold": "2",
"questionID": "0x3fb816b863ff5114165781c1852f8011d79b98c1bee89c4ee24fbb03830f0561",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 2.7096,
"endDateIso": "2026-03-11",
"startDateIso": "2026-03-03",
"hasReviewedDates": true,
"gameStartTime": "2026-03-04 10:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"19340371963988861742389189207043292355109758755605569691177736066424716313280\", \"106403122377234135925363575315773392942401907114278270498969329080445609379959\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 2.7096,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-03T18:03:11Z",
"cyom": false,
"competitive": 0.02,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.98,
"bestBid": 0.01,
"bestAsk": 0.99,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 8.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-03T18:00:37.325538Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1493636",
"question": "Shelbayh vs. Efstathiou: Set 1 Games O/U 9.5",
"conditionId": "0xa39ab79055fac520d80ee6465066eb788a6b69cb99586a535650d0bebfc89b5b",
"slug": "atp-shelbay-efstath-2026-03-04-first-set-total-9pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-11T10:00:00Z",
"liquidity": "2.7102",
"startDate": "2026-03-03T18:04:33.221576Z",
"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 Abedallah Shelbayh and Menelaos Efstathiou in the Hersonissos, scheduled for March 4 2026.\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": "[\"0.5\", \"0.5\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-03T18:00:16.461673Z",
"updatedAt": "2026-03-04T10:17:37.409189Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Hersonissos: Abedallah Shelbayh vs Menelaos Efstathiou Set 1 O/U 9.5",
"groupItemThreshold": "2",
"questionID": "0xa7e584a68436da2501261ed0113fb9b3f3e77009d69120d7ffb7f51274983dc6",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 2.7102,
"endDateIso": "2026-03-11",
"startDateIso": "2026-03-03",
"hasReviewedDates": true,
"gameStartTime": "2026-03-04 10:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"17641671185691122384915092720335741816411079506833572855591863715920208722551\", \"67202274543642034836414985411260811871620228425032845742805745836361737342082\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 2.7102,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-03T18:03:27Z",
"cyom": false,
"competitive": 0.02,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.98,
"bestBid": 0.01,
"bestAsk": 0.99,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 9.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-03T18:00:37.431469Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
},
{
"id": "1493638",
"question": "Shelbayh vs. Efstathiou: Set 1 Games O/U 10.5",
"conditionId": "0x771109787f6a01286b3163b363b3871a7d591421b096e35fd4721c7a1b11e3ad",
"slug": "atp-shelbay-efstath-2026-03-04-first-set-total-10pt5",
"resolutionSource": "https://www.atptour.com/en/scores/current",
"endDate": "2026-03-11T10:00:00Z",
"liquidity": "2.7103",
"startDate": "2026-03-03T18:03:07.848771Z",
"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 Abedallah Shelbayh and Menelaos Efstathiou in the Hersonissos, scheduled for March 4 2026.\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": "[\"0.5\", \"0.5\"]",
"active": true,
"closed": false,
"marketMakerAddress": "",
"createdAt": "2026-03-03T18:00:16.569689Z",
"updatedAt": "2026-03-04T10:17:31.903732Z",
"new": false,
"featured": false,
"submitted_by": "0x91430CaD2d3975766499717fA0D66A78D814E5c5",
"archived": false,
"resolvedBy": "0x65070BE91477460D8A7AeEb94ef92fe056C2f2A7",
"restricted": true,
"groupItemTitle": "Hersonissos: Abedallah Shelbayh vs Menelaos Efstathiou Set 1 O/U 10.5",
"groupItemThreshold": "2",
"questionID": "0x331e8c489cfe0aa384e948b1ccfe7c9bee204cae4dba89419118b55d6216fd8d",
"enableOrderBook": true,
"orderPriceMinTickSize": 0.01,
"orderMinSize": 5,
"liquidityNum": 2.7103,
"endDateIso": "2026-03-11",
"startDateIso": "2026-03-03",
"hasReviewedDates": true,
"gameStartTime": "2026-03-04 10:00:00+00",
"secondsDelay": 3,
"clobTokenIds": "[\"81190695348780308746058214730045015791225813664987506224029055773966017067892\", \"26038268029717926135386362669961588664273694318348912353067015807485683680511\"]",
"umaBond": "500",
"umaReward": "2",
"liquidityClob": 2.7103,
"customLiveness": 0,
"acceptingOrders": true,
"negRisk": false,
"negRiskRequestID": "",
"ready": false,
"funded": false,
"acceptingOrdersTimestamp": "2026-03-03T18:02:01Z",
"cyom": false,
"competitive": 0.02,
"pagerDutyNotificationEnabled": false,
"approved": true,
"rewardsMinSize": 50,
"rewardsMaxSpread": 4.5,
"spread": 0.98,
"bestBid": 0.01,
"bestAsk": 0.99,
"automaticallyActive": true,
"clearBookOnStart": true,
"manualActivation": false,
"negRiskOther": false,
"sportsMarketType": "tennis_first_set_totals",
"line": 10.5,
"umaResolutionStatuses": "[]",
"pendingDeployment": false,
"deploying": false,
"deployingTimestamp": "2026-03-03T18:00:37.327269Z",
"rfqEnabled": false,
"holdingRewardsEnabled": false,
"feesEnabled": false,
"requiresTranslation": false,
"feeType": null
}
],
"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": "2026-03-04T10:18:02.553165Z",
"volume24hr": 4268278.317245999,
"volume": 1017212.469437,
"liquidity": 3054952.13065,
"commentCount": 1497,
"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": "2026-02-06T20:10:12.802044Z",
"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": "2026-02-06T20:05:01.908169Z",
"forceHide": true,
"requiresTranslation": false
},
{
"id": "100639",
"label": "Games",
"slug": "games",
"forceShow": false,
"createdAt": "2024-09-23T22:41:37.670714Z",
"updatedAt": "2026-02-06T20:08:42.474229Z",
"requiresTranslation": false
}
],
"cyom": false,
"showAllOutcomes": true,
"showMarketImages": false,
"enableNegRisk": false,
"automaticallyActive": true,
"eventDate": "2026-03-04",
"startTime": "2026-03-04T10:00:00Z",
"seriesSlug": "atp",
"negRiskAugmented": false,
"pendingDeployment": false,
"deploying": false,
"gameId": 5213051,
"requiresTranslation": false,
"eventMetadata": {
"league": "Hersonissos"
}
}- Hersonissos: Abedallah Shelbayh vs Menelaos EfstathiouVol 1.2KLiq 6.2KEnd Mar 11, 2026OpenOrder book
- Set 1 Winner: Shelbayh vs EfstathiouVol —Liq 351End Mar 11, 2026OpenOrder book
- Shelbayh vs. Efstathiou: Match O/U 23.5Vol —Liq 3End Mar 11, 2026OpenOrder book
- Shelbayh vs. Efstathiou: Set 1 Games O/U 10.5Vol —Liq 3End Mar 11, 2026OpenOrder book
- Shelbayh vs. Efstathiou: Set 1 Games O/U 9.5Vol —Liq 3End Mar 11, 2026OpenOrder book
- Shelbayh vs. Efstathiou: Set 1 Games O/U 8.5Vol —Liq 3End Mar 11, 2026OpenOrder book
- Shelbayh vs. Efstathiou: Match O/U 22.5Vol —Liq 3End Mar 11, 2026OpenOrder book
- Shelbayh vs. Efstathiou: Match O/U 21.5Vol —Liq 3End Mar 11, 2026OpenOrder book
- Abedallah Shelbayh vs. Menelaos Efstathiou: Total Sets O/U 2.5Vol —Liq 10End Mar 11, 2026OpenOrder book