
Prediction market · Polymarket
This market refers to the tennis match between Jannik Sinner and Benjamin Bonzi in the Madrid Open, originally scheduled for April 24, 2026 at 5:00AM ET. This market will resolve to 'Jannik Sinner' if Jannik Sinner advances against Benjamin Bonzi. This market will resolve to 'Benjamin Bonzi' if Benjamin Bonzi advances against Jannik Sinner. 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-sinner-bonzi-2026-04-24
Volume
929.9K
24h volume
921.1K
1w volume
929.9K
Open interest
585.0K
Liquidity
1.9M
Liquidity CLOB
1.9M
Start
Apr 22, 2026
End
May 1, 2026
Status
Active
Access
Restricted
Created
Apr 24, 2026
Resolution source
https://www.atptour.com/en/scores/current
Event ID
407765
Slug
atp-sinner-bonzi-2026-04-24
Markets
9
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"description": "This market refers to the tennis match between Jannik Sinner and Benjamin Bonzi in the Madrid Open, originally scheduled for April 24, 2026 at 5:00AM ET.\nThis market will resolve to “Sinner” if Jannik Sinner wins the first set. It will resolve to “Bonzi” if Benjamin Bonzi 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 ATP match statistics.",
"outcomes": "[\"Sinner\", \"Bonzi\"]",
"outcomePrices": "[\"0.0005\", \"0.9995\"]",
"volume": "9687.495853999997",
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"question": "Sinner vs. Bonzi: Match O/U 22.5",
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"context_description": "World No. 1 Jannik Sinner debuts in the Mutua Madrid Open main draw against qualifier Benjamin Bonzi, who advanced Thursday via a grueling three-set win over Titouan Droguet (6-7(4), 7-6(4), 6-4) that tested his endurance early in the tournament. Sinner leads their head-to-head 3-0, including a straight-sets triumph in 2023 Rotterdam, and enters with momentum from a Monte Carlo semifinals run launching his 2026 clay swing. High-altitude conditions at the Caja Mágica accelerate the clay pace, favoring Sinner's flat power game against Bonzi's baseline grinding. Pre-match injury concerns after Sinner abbreviated practices have subsided per his coach, though qualifier fatigue poses a minor upset risk for the No. 104-ranked Frenchman.",
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"context_updated_at": "2026-04-24T17:22:43.283Z",
"league": "Madrid Open"
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"name": "Jannik Sinner",
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"abbreviation": "sinner",
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"createdAt": "2025-10-17T10:00:04.334676Z",
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