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Prediction market on polymarket. This market refers to the tennis match between Gustavo Heide and Guido Justo in the Curitiba, originally scheduled for October 4, 2026 at 11:00AM ET. This market will resolve to “Gustavo Heide” if Gustavo Heide wins the first set. It will resolve to “Guido Justo” if Guido Justo wins the first set. If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled (not played at all) or play has not begun by October 18, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official Challenger match statistics. This market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).
Resolves: 10/11/2026.