San Diego 2 (Doubles): Klaassen/Papa vs Ayeni/Ostapenkov

This market refers to the doubles tennis match between Klaassen/Papa and Ayeni/Ostapenkov in the San Diego 2, originally scheduled for September 25, 2026 at 4:30PM ET. This market will resolve to 'Klaassen/Papa' if the team of Klaassen/Papa advances against Ayeni/Ostapenkov. This market will resolve to 'Ayeni/Ostapenkov' if the team of Ayeni/Ostapenkov advances against Klaassen/Papa. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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.