This market refers to the tennis match between Petr Bar Biryukov and Yaroslav Demin in the Ningbo, originally scheduled for November 1, 2026 at 1:00AM ET. This market will resolve to 'Petr Bar Biryukov' if Petr Bar Biryukov advances against Yaroslav Demin. This market will resolve to 'Yaroslav Demin' if Yaroslav Demin 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 15, 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.