Rybakina vs Fernandez — Elena Rybakina

Kalshi — primary rule

If Elena Rybakina wins the Rybakina vs Fernandez professional tennis match in the 2026 WTA Ningbo Final after a ball has been played, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the tennis match between Elena Rybakina and Leylah Fernandez in the Ningbo Open, originally scheduled for October 25, 2026 at 4:00AM ET. This market will resolve to 'Elena Rybakina' if Elena Rybakina advances against Leylah Fernandez. This market will resolve to 'Leylah Fernandez' if Leylah Fernandez advances against Elena Rybakina. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 8, 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.