Shanghai Rolex Masters: Matteo Arnaldi vs Taylor Fritz

Kalshi — primary rule

If Matteo Arnaldi wins the Arnaldi vs Fritz professional tennis match in the 2026 ATP Shanghai Round Of 64 after a ball has been played, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the tennis match between Matteo Arnaldi and Taylor Fritz in the Shanghai Rolex Masters, originally scheduled for October 9, 2026 at 10:00PM ET. This market will resolve to 'Matteo Arnaldi' if Matteo Arnaldi advances against Taylor Fritz. This market will resolve to 'Taylor Fritz' if Taylor Fritz advances against Matteo Arnaldi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 23, 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.