US Open: Billy Harris vs Felix Auger Aliassime

This is a polymarket on the tennis match between Billy Harris and Felix Auger Aliassime in the 2025 US Open men’s singles first round, scheduled for August 26, 2025. This market will resolve to 'Harris' if Billy Harris advances against Felix Auger Aliassime. This market will resolve to 'Aliassime' if Felix Auger Aliassime advances against Billy Harris. If the match is canceled (not played at all), ends in a tie, or is delayed beyond September 2, 2025 without a winner determined, this market will resolve to 50–50. If the match ends in a walkover (one player withdraws before the start and the other advances automatically), this market will resolve in favor of the player who officially advances to the next round. The primary resolution source will be official information from the US Open. A consensus of credible reporting may also be used.