This market refers to the tennis match between Lucio Ratti and Khumoun Sultanov in the Astana, originally scheduled for August 12, 2026 at 1:00AM ET. This market will resolve to 'Lucio Ratti' if Lucio Ratti advances against Khumoun Sultanov. This market will resolve to 'Khumoun Sultanov' if Khumoun Sultanov advances against Lucio Ratti. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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.