This market refers to the tennis match between Andrea De Marchi and Andrey Chepelev in the M25 Santa Margherita di Pula, Main Draw, originally scheduled for September 18, 2026 at 4:00AM ET. This market will resolve to 'Andrea De Marchi' if Andrea De Marchi advances against Andrey Chepelev. This market will resolve to 'Andrey Chepelev' if Andrey Chepelev advances against Andrea De Marchi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 2, 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.