Madrid Open: Botic van de Zandschulp vs Alexander Blockx

Prediction market · Polymarket

Overview

This market refers to the tennis match between Botic van de Zandschulp and Alexander Blockx in the Madrid Open, originally scheduled for April 22, 2026 at 5:00AM ET. This market will resolve to 'Botic van de Zandschulp' if Botic van de Zandschulp advances against Alexander Blockx. This market will resolve to 'Alexander Blockx' if Alexander Blockx advances against Botic van de Zandschulp. 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-zandsch-blockx-2026-04-22

Volume

95

24h volume

95

1w volume

95

Open interest

95

Liquidity

11.4K

Liquidity CLOB

11.4K

Start

Apr 20, 2026

End

Apr 29, 2026

Status

Active

Access

Restricted

Created

Apr 22, 2026

Resolution source

https://www.atptour.com/en/scores/current

Event ID

399877

Slug

atp-zandsch-blockx-2026-04-22

Markets

10

Raw event data
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  "title": "Madrid Open: Botic van de Zandschulp vs Alexander Blockx",
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  "volume1wk": 94.61,
  "volume1mo": 94.61,
  "volume1yr": 94.61,
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      "restricted": true,
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      "description": "This market refers to the tennis match between Botic van de Zandschulp and Alexander Blockx in the Madrid Open, originally scheduled for April 22, 2026 at 5:00AM 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 ATP statistics.",
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      "outcomePrices": "[\"0.68\", \"0.32\"]",
      "active": true,
      "closed": false,
      "marketMakerAddress": "",
      "createdAt": "2026-04-20T17:00:42.826276Z",
      "updatedAt": "2026-04-20T22:08:12.008207Z",
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      "archived": false,
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      "restricted": true,
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      "resolutionSource": "https://www.atptour.com/en/scores/current",
      "endDate": "2026-04-29T09:00:00Z",
      "liquidity": "3.8936",
      "startDate": "2026-04-20T17:09:29.912579Z",
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      "description": "This market refers to the tennis match between Botic van de Zandschulp and Alexander Blockx in the Madrid Open, originally scheduled for April 22, 2026 at 5:00AM 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 ATP statistics.",
      "outcomes": "[\"Over\", \"Under\"]",
      "outcomePrices": "[\"0.505\", \"0.495\"]",
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      "closed": false,
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    "context_description": "In the Mutua Madrid Open first-round matchup on clay, surging Belgian qualifier Alexander Blockx faces higher-ranked Dutchman Botic van de Zandschulp, with no prior head-to-head. Blockx rides momentum from a Monte Carlo Masters R16 run, defeating Denis Shapovalov and Flavio Cobolli before a loss to Alex de Minaur, followed by a Munich ATP 250 R1 win over Yannick Hanfmann and R2 exit to Ben Shelton—showcasing eight wins in his last 10 clay matches. Van de Zandschulp enters off a Munich R2 clay loss to Francisco Cerundolo and Bucharest Challenger SF defeat, with a 9-7 2026 record amid inconsistent form. Madrid's high-altitude clay rewards aggression; watch qualifier fatigue for Blockx and any late withdrawals.",
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