This market refers to the tennis match between Mary Stoiana and Tereza Valentova in the Cincinnati Open, originally scheduled for August 14, 2026 at 3:30PM ET. This market will resolve to 'Mary Stoiana' if Mary Stoiana advances against Tereza Valentova. This market will resolve to 'Tereza Valentova' if Tereza Valentova advances against Mary Stoiana. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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.