This market refers to the tennis match between Alexander Blockx and Felix Auger-Aliassime in the Madrid Open, originally scheduled for April 27, 2026 at 5:00AM ET. This market will resolve to 'Alexander Blockx' if Alexander Blockx advances against Felix Auger-Aliassime. This market will resolve to 'Felix Auger-Aliassime' if Felix Auger-Aliassime advances against Alexander Blockx. 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: Alexander Blockx vs Felix Auger-Aliassime | 97% YES | 4% NO |
| Madrid Open: Alexander Blockx vs Felix Auger-Aliassime Total Sets: O/U 2.5 | 26% YES | 74% NO |
| Madrid Open: Alexander Blockx vs Felix Auger-Aliassime Match O/U 21.5 | 51% YES | 49% NO |
| Madrid Open: Alexander Blockx vs Felix Auger-Aliassime Set Handicap +/-1.5 | 1% YES | 99% NO |
| Madrid Open: Alexander Blockx vs Felix Auger-Aliassime Set 1 Winner | 100% YES | 0% NO |
| Madrid Open: Alexander Blockx vs Felix Auger-Aliassime Set 1 O/U 8.5 | 100% YES | 0% NO |
| Madrid Open: Alexander Blockx vs Felix Auger-Aliassime Match O/U 22.5 | 48% YES | 53% NO |
| Madrid Open: Alexander Blockx vs Felix Auger-Aliassime Set 1 O/U 9.5 | 100% YES | 0% 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 4 May 2026. Settlement typically clears within 24 hours after the resolving event, once the UMA optimistic oracle confirms the outcome.