Diaz Acosta vs Basilashvili — Facundo Diaz Acosta

Kalshi — primary rule

If Facundo Diaz Acosta wins the Diaz Acosta vs Basilashvili professional tennis match in the 2026 ATP Almaty Round Of 16 after a ball has been played, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the tennis match between Facundo Acosta and Nikoloz Basilashvili in the Almaty Open, originally scheduled for October 21, 2026 at 2:00AM ET. This market will resolve to 'Facundo Acosta' if Facundo Acosta advances against Nikoloz Basilashvili. This market will resolve to 'Nikoloz Basilashvili' if Nikoloz Basilashvili advances against Facundo Acosta. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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.