Istanbul 2: Constantin Bittoun Kouzmine vs Daniil Ostapenkov

This market refers to the tennis match between Constantin Bittoun Kouzmine and Daniil Ostapenkov in the Istanbul 2, originally scheduled for August 4, 2026 at 7:30AM ET. This market will resolve to 'Constantin Bittoun Kouzmine' if Constantin Bittoun Kouzmine advances against Daniil Ostapenkov. This market will resolve to 'Daniil Ostapenkov' if Daniil Ostapenkov advances against Constantin Bittoun Kouzmine. 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.