Sao Paulo Open, Qualification: Xiaodi You vs Victoria Bosio

Kalshi — primary rule

If Xiaodi You wins the You vs Bosio professional tennis match in the 2026 WTA Sao Paulo Qualification Final after a ball has been played, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the tennis match between Xiaodi You and Victoria Bosio in the Sao Paulo Open, Qualification, originally scheduled for September 13, 2026 at 11:00AM ET. This market will resolve to 'Xiaodi You' if Xiaodi You advances against Victoria Bosio. This market will resolve to 'Victoria Bosio' if Victoria Bosio advances against Xiaodi You. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 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 WTA Tour. A consensus of credible reporting may also be used.