This market refers to the tennis match between Tiago Cacao and Fausto Tabacco in the M25 Sintra, Main Draw, originally scheduled for September 11, 2026 at 5:00AM ET. This market will resolve to 'Tiago Cacao' if Tiago Cacao advances against Fausto Tabacco. This market will resolve to 'Fausto Tabacco' if Fausto Tabacco advances against Tiago Cacao. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 25, 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.