M25 Guiyang: Mattias Southcombe vs Zihan Gao

This market refers to the tennis match between Mattias Southcombe and Zihan Gao in the M25 Guiyang, Qualifying, originally scheduled for September 14, 2026 at 12:00AM ET. This market will resolve to 'Mattias Southcombe' if Mattias Southcombe advances against Zihan Gao. This market will resolve to 'Zihan Gao' if Zihan Gao advances against Mattias Southcombe. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 28, 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.