Set 1 Winner: Blockx vs Auger-Aliassime

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 “Blockx” if Alexander Blockx wins the first set. It will resolve to “Auger-Aliassime” if Felix Auger-Aliassime wins the first set. If 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. If 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. Resolution will be based on official ATP match statistics.