This market refers to the tennis match between Stefanos Tsitsipas and Casper Ruud in the Madrid Open, originally scheduled for April 28, 2026 at 8:00AM ET. This market will resolve to 'Stefanos Tsitsipas' if Stefanos Tsitsipas advances against Casper Ruud. This market will resolve to 'Casper Ruud' if Casper Ruud advances against Stefanos Tsitsipas. 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.
Market outcomes
| Madrid Open: Stefanos Tsitsipas vs Casper Ruud | 0% YES | 100% NO |
| Madrid Open: Stefanos Tsitsipas vs Casper Ruud Total Sets: O/U 2.5 | 100% YES | 0% NO |
| Madrid Open: Stefanos Tsitsipas vs Casper Ruud Set Handicap +/-1.5 | 0% YES | 100% NO |
| Madrid Open: Stefanos Tsitsipas vs Casper Ruud Set 1 O/U 8.5 | 100% YES | 0% NO |
| Madrid Open: Stefanos Tsitsipas vs Casper Ruud Set 1 Winner | 100% YES | 0% NO |
| Madrid Open: Stefanos Tsitsipas vs Casper Ruud Match O/U 21.5 | 100% YES | 0% NO |
| Madrid Open: Stefanos Tsitsipas vs Casper Ruud Set 1 O/U 9.5 | 100% YES | 0% NO |
| Madrid Open: Stefanos Tsitsipas vs Casper Ruud Match O/U 22.5 | 100% YES | 0% NO |
Each sports market names its resolution source in advance — typically the official league result feed, referee scorecard or governing body announcement. Odds on PolyGram reflect the Polymarket order book, not a bookmaker's margin, so the price is the crowd's probability rather than a 5-20% vig layered on top. You can enter or exit at any point, including during in-play windows for the biggest matches, and settlement in USDC lands on Polygon within minutes of resolution.
This market settles from the official outcome published at https://www.atptour.com/en/scores/current. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
Resolution is sourced from https://www.atptour.com/en/scores/current. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
The market is scheduled to close on 5 May 2026. Settlement typically clears within 24 hours after the resolving event, once the UMA optimistic oracle confirms the outcome.