Stefano Napolitano vs Mackenzie McDonald

This market refers to the tennis match between Stefano Napolitano and Mackenzie McDonald in the ATP US Open, Qualification, originally scheduled for August 24, 2026 at 21:00 UTC. This market will resolve to 'Stefano Napolitano' if Stefano Napolitano advances against Mackenzie McDonald. This market will resolve to 'Mackenzie McDonald' if Mackenzie McDonald advances against Stefano Napolitano. 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.