Almaty Open: Rei Sakamoto vs Karen Khachanov

Kalshi — primary rule

If Rei Sakamoto wins the Sakamoto vs Khachanov professional tennis match in the 2026 ATP Almaty Round Of 32 after a ball has been played, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the tennis match between Rei Sakamoto and Karen Khachanov in the Almaty Open, originally scheduled for October 20, 2026 at 2:00AM ET. This market will resolve to 'Rei Sakamoto' if Rei Sakamoto advances against Karen Khachanov. This market will resolve to 'Karen Khachanov' if Karen Khachanov advances against Rei Sakamoto. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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 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.