This market refers to the tennis match between Erika Andreeva and Reese Brantmeier in the Porto, originally scheduled for September 22, 2026 at 10:30AM ET. This market will resolve to 'Erika Andreeva' if Erika Andreeva advances against Reese Brantmeier. This market will resolve to 'Reese Brantmeier' if Reese Brantmeier advances against Erika Andreeva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 6, 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.