This market refers to the tennis match between Oleksandra Oliynykova and Diane Parry in the Monterrey Open, originally scheduled for August 25, 2026 at 9:30PM ET. This market will resolve to 'Oleksandra Oliynykova' if Oleksandra Oliynykova advances against Diane Parry. This market will resolve to 'Diane Parry' if Diane Parry advances against Oleksandra Oliynykova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 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.