This market refers to the tennis match between Celia Cervino Ruiz and Valentina Ivanov in the W35 Baza, Main Draw, originally scheduled for October 3, 2026 at 12:30PM ET. This market will resolve to 'Celia Cervino Ruiz' if Celia Cervino Ruiz advances against Valentina Ivanov. This market will resolve to 'Valentina Ivanov' if Valentina Ivanov advances against Celia Cervino Ruiz. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 17, 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.