This market refers to the tennis match between Rebeka Masarova and Iryna Shymanovich in the US Open, Qualification WTA, originally scheduled for August 24, 2026 at 11:00AM ET. This market will resolve to 'Rebeka Masarova' if Rebeka Masarova advances against Iryna Shymanovich. This market will resolve to 'Iryna Shymanovich' if Iryna Shymanovich advances against Rebeka Masarova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 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 advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.