This market refers to the tennis match between Zaira Abigail Martinez and Maria Sofia Madrid Rocca in the W15 Trelew, Main Draw, originally scheduled for September 29, 2026 at 11:00AM ET. This market will resolve to 'Zaira Abigail Martinez' if Zaira Abigail Martinez advances against Maria Sofia Madrid Rocca. This market will resolve to 'Maria Sofia Madrid Rocca' if Maria Sofia Madrid Rocca advances against Zaira Abigail Martinez. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 13, 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.