W50 Istanbul: Zumra Balkan vs Valeriia Iushchenko

This market refers to the tennis match between Zumra Balkan and Valeriia Iushchenko in the W50 Istanbul, Qualifying, originally scheduled for October 25, 2026 at 6:00AM ET. This market will resolve to 'Zumra Balkan' if Zumra Balkan advances against Valeriia Iushchenko. This market will resolve to 'Valeriia Iushchenko' if Valeriia Iushchenko advances against Zumra Balkan. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.