This market refers to the tennis match between Nikoloz Basilashvili and Sebastian Ofner in the Madrid Open, originally scheduled for April 22, 2026 at 9:30AM ET. This market will resolve to 'Nikoloz Basilashvili' if Nikoloz Basilashvili advances against Sebastian Ofner. This market will resolve to 'Sebastian Ofner' if Sebastian Ofner 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.
Market outcomes
| Madrid Open: Nikoloz Basilashvili vs Sebastian Ofner | 0% YES | 100% NO |
| Madrid Open: Nikoloz Basilashvili vs Sebastian Ofner Set Handicap +/-1.5 | 100% YES | 0% NO |
| Madrid Open: Nikoloz Basilashvili vs Sebastian Ofner Match O/U 22.5 | 100% YES | 0% NO |
| Madrid Open: Nikoloz Basilashvili vs Sebastian Ofner Match O/U 23.5 | 100% YES | 0% NO |
| Madrid Open: Nikoloz Basilashvili vs Sebastian Ofner Match O/U 21.5 | 100% YES | 0% NO |
| Madrid Open: Nikoloz Basilashvili vs Sebastian Ofner Set 1 O/U 8.5 | 100% YES | 0% NO |
| Madrid Open: Nikoloz Basilashvili vs Sebastian Ofner Total Sets: O/U 2.5 | 0% YES | 100% NO |
| Madrid Open: Nikoloz Basilashvili vs Sebastian Ofner Set 1 Winner | 0% YES | 100% NO |
A prediction market is a real-money contract that pays $1 per YES share if the stated outcome occurs, and $0 if it does not. The current price is therefore the crowd's probability estimate — set by thousands of traders competing in a live order book, not a bookmaker. PolyGram routes your order into the same Polymarket venue, adds an email-first login and USDC deposits, and settles on Polygon within minutes of the result.
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 29 April 2026. Settlement typically clears within 24 hours after the resolving event, once the UMA optimistic oracle confirms the outcome.