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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 by 2 or more sets than Guido Justo, based on the final completed score. Otherwise, it will resolve to "Guido Justo." If the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play under the match format published by the tournament organizer for that round. For example, if the deciding set has begun when the match ends, Gustavo Heide can no longer win by 2 or more sets, and this market will resolve to "Guido Justo." If the match is canceled before play begins, or a result has not been determined 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 results.
Resolves: 10/11/2026.