Chengdu Open: Jenson Brooksby vs Lorenzo Sonego

Kalshi — primary rule

If Jenson Brooksby wins the Brooksby vs Sonego professional tennis match in the 2026 ATP Chengdu 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 Jenson Brooksby and Lorenzo Sonego in the Chengdu Open, originally scheduled for September 24, 2026 at 10:00PM ET. This market will resolve to 'Jenson Brooksby' if Jenson Brooksby advances against Lorenzo Sonego. This market will resolve to 'Lorenzo Sonego' if Lorenzo Sonego advances against Jenson Brooksby. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 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 ATP Tour. A consensus of credible reporting may also be used.