This market refers to the tennis match between Tamara Zidansek and Tessa Brockmann in the Montreux, originally scheduled for September 7, 2026 at 4:00AM ET. This market will resolve to 'Tamara Zidansek' if Tamara Zidansek advances against Tessa Brockmann. This market will resolve to 'Tessa Brockmann' if Tessa Brockmann advances against Tamara Zidansek. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 21, 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.