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This market refers to the tennis match between Johannus Monday and Aidan Mayo in the Little Rock, originally scheduled for May 28, 2026 at 11:00AM ET. This market will resolve to 'Johannus Monday' if Johannus Monday advances against Aidan Mayo. This market will resolve to 'Aidan Mayo' if Aidan Mayo advances against Johannus Monday. 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.