Matteo Berrettini vs Adolfo Daniel Vallejo

This market refers to the tennis match between Matteo Berrettini and Adolfo Daniel Vallejo in the ATP Japan Open, originally scheduled for October 3, 2026 at 00:00 UTC. This market will resolve to 'Matteo Berrettini' if Matteo Berrettini advances against Adolfo Daniel Vallejo. This market will resolve to 'Adolfo Daniel Vallejo' if Adolfo Daniel Vallejo advances against Matteo Berrettini. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 17, 2026, 23:59 UTC (14 days after the scheduled start), 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.