Sofia Costoulas vs Kristiana Sidorova

This market refers to the tennis match between Sofia Costoulas and Kristiana Sidorova in the W75 Tianjin, Main Draw, originally scheduled for September 2, 2026 at 8:00PM ET. This market will resolve to 'Sofia Costoulas' if Sofia Costoulas advances against Kristiana Sidorova. This market will resolve to 'Kristiana Sidorova' if Kristiana Sidorova advances against Sofia Costoulas. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 16, 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.