US Open: Stefanos Tsitsipas vs Alexandre Muller

This is a polymarket on the tennis match between Stefanos Tsitsipas and Alexandre Muller in the 2025 US Open men’s singles first round, scheduled for August 26, 2025. This market will resolve to 'Tsitsipas' if Stefanos Tsitsipas advances against Alexandre Muller. This market will resolve to 'Muller' if Alexandre Muller advances against Stefanos Tsitsipas. 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.