This market refers to the tennis match between Petr Bar Biryukov and Semen Pankin in the Ningbo, originally scheduled for October 26, 2026 at 11:00PM ET. This market will resolve to 'Petr Bar Biryukov' if Petr Bar Biryukov advances against Semen Pankin. This market will resolve to 'Semen Pankin' if Semen Pankin advances against Petr Bar Biryukov. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 9, 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 ATP Tour. A consensus of credible reporting may also be used.