Columbus (Doubles): Britto/Marcondes vs Mackinlay/Okonkwo

This market refers to the doubles tennis match between Britto/Marcondes and Mackinlay/Okonkwo in the Columbus, originally scheduled for September 29, 2026 at 10:00AM ET. This market will resolve to 'Britto/Marcondes' if the team of Britto/Marcondes advances against Mackinlay/Okonkwo. This market will resolve to 'Mackinlay/Okonkwo' if the team of Mackinlay/Okonkwo advances against Britto/Marcondes. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 13, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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.