This market refers to the tennis match between Tommaso Compagnucci and Pol Martin Tiffon in the Plovdiv 4, originally scheduled for September 23, 2026 at 5:30AM ET. This market will resolve to 'Tommaso Compagnucci' if Tommaso Compagnucci advances against Pol Martin Tiffon. This market will resolve to 'Pol Martin Tiffon' if Pol Martin Tiffon advances against Tommaso Compagnucci. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 7, 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.