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Prediction market on polymarket. This market refers to the tennis match between Olle Wallin and Matthew William Donald in the Bari, originally scheduled for September 29, 2026 at 4:00AM ET. This market will resolve to "Olle Wallin" if Olle Wallin wins by 2 or more sets than Matthew William Donald, based on the final completed score. Otherwise, it will resolve to "Matthew William Donald." 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, Olle Wallin can no longer win by 2 or more sets, and this market will resolve to "Matthew William Donald." If the match is canceled before play begins, or a result has not been determined by October 13, 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: 10/6/2026.