This market refers to the tennis match between Lorenzo Giustino and John Sperle in the Bari, originally scheduled for September 29, 2026 at 5:30AM ET. This market will resolve to 'Lorenzo Giustino' if Lorenzo Giustino advances against John Sperle. This market will resolve to 'John Sperle' if John Sperle advances against Lorenzo Giustino. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 13, 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.