Shanghai Rolex Masters: Daniil Medvedev vs Stefanos Tsitsipas

Kalshi — primary rule

If Daniil Medvedev wins the Medvedev vs Tsitsipas professional tennis match in the 2026 ATP Shanghai 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 Daniil Medvedev and Stefanos Tsitsipas in the Shanghai Rolex Masters, originally scheduled for October 13, 2026 at 10:00PM ET. This market will resolve to 'Daniil Medvedev' if Daniil Medvedev advances against Stefanos Tsitsipas. This market will resolve to 'Stefanos Tsitsipas' if Stefanos Tsitsipas advances against Daniil Medvedev. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 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 ATP Tour. A consensus of credible reporting may also be used.