China Open, Qualification: Elvina Kalieva vs Ellen Perez

Kalshi — primary rule

If Elvina Kalieva wins the Kalieva vs Perez professional tennis match in the 2026 WTA Beijing Qualification Round 1 after a ball has been played, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the tennis match between Elvina Kalieva and Ellen Perez in the China Open, Qualification, originally scheduled for September 28, 2026 at 2:00AM ET. This market will resolve to 'Elvina Kalieva' if Elvina Kalieva advances against Ellen Perez. This market will resolve to 'Ellen Perez' if Ellen Perez advances against Elvina Kalieva. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 12, 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.