ATP Cincinnati - Sinner vs. Mannarino

This is a polymarket on the Round 4 match between Jannik Sinner and Adrian Mannarino in the 2025 Cincinnati Open, scheduled for August 13, 2025. This market will resolve to "Sinner" if Jannik Sinner advances against Adrian Mannarino. This market will resolve to "Mannarino" if Adrian Mannarino advances against Jannik Sinner. If the match is canceled (not played at all), ends in a tie, or is delayed beyond August 15, 2025, without a winner determined, this market will resolve to 50–50. If the match ends in a walkover (one player withdraws before the start and the other advances automatically), this market will resolve in favor of the player who officially advances to the next round. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.