95% winner backs the underdog

This market refers to the tennis match between Takuya Kumasaka and Colin Sinclair in the Astana, originally scheduled for August 11, 2026 at 2:30AM ET. This market will resolve to 'Takuya Kumasaka' if Takuya Kumasaka advances against Colin Sinclair. This market will resolve to 'Colin Sinclair' if Colin Sinclair advances against Takuya Kumasaka. 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.