Damm Jr vs Cerundolo — Martin Damm Jr

Kalshi — primary rule

If Martin Damm Jr wins the Damm Jr vs Cerundolo professional tennis match in the 2026 ATP Brussels 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 Martin Damm and Francisco Cerundolo in the European Open, originally scheduled for October 21, 2026 at 4:00AM ET. This market will resolve to 'Martin Damm' if Martin Damm advances against Francisco Cerundolo. This market will resolve to 'Francisco Cerundolo' if Francisco Cerundolo advances against Martin Damm. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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.