This market refers to the tennis match between Jakub Mensik and Learner Tien in the US Open ATP, originally scheduled for September 5, 2026 at 11:00AM ET. This market will resolve to 'Jakub Mensik' if Jakub Mensik advances against Learner Tien. This market will resolve to 'Learner Tien' if Learner Tien advances against Jakub Mensik. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 19, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player...