This market refers to the tennis match between Roman Safiullin and Hugo Grenier in the Winston-Salem Open, originally scheduled for August 24, 2026 at 5:00PM ET. This market will resolve to 'Roman Safiullin' if Roman Safiullin advances against Hugo Grenier. This market will resolve to 'Hugo Grenier' if Hugo Grenier advances against Roman Safiullin. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 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.