PolymarketOpen

Justo vs. Roncadelli: Match O/U 21.5

Under51%
Over50%

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24h volume—
7d volume—
30d volume—
Liquidity$2.1K
Spread3%
ResolvesOct 5, 2026in 6 days

Probability history

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Probability history0%25%50%75%100%Sep 27, 04:49 AMSep 28, 03:03 AMSep 29, 01:17 AMSep 29, 11:31 PMShaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.Shaded periods have no successful hourly price check.

Based on this market’s outcome prices, expressed as probabilities.

Resolution rules

This market refers to the tennis match between Guido Justo and Franco Roncadelli in the Curitiba, originally scheduled for September 28, 2026 at 9:00AM ET. This market will resolve to "Over" if the total number of games completed equals or exceeds 22. Otherwise, it will resolve to "Under." All tiebreaks, including any Champions/Super tiebreak, count as one (1) game. If the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution. If the match is permanently abandoned before completion, or if the match has not been completed by October 12, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the match played according to the match format published by the tournament organizer for that round, including whether a final set is played as a full set or as a match tiebreak. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additional games, resulting in at least 22 games played, so "Over" would resolve as the winning outcome. Likewise, if the published format replaces the final set with a match tiebreak, that tiebreak counts as one (1) game, so for a line of 22.5, if play stops at 6-2, 3-3, the match could have reached at most 22 games and "Under" would resolve as the winning outcome. The primary resolution source for this market will be official Challenger statistics; however, a consensus of credible reporting may also be used.

Sourcehttps://www.atptour.com/en/scores/current

Other legs of this event

MarketVenuePriceStatus
Justo vs. Roncadelli: Set 1 Games O/U 9.5Polymarket50% OverOpen
Justo vs. Roncadelli: Match O/U 23.5Polymarket50% UnderOpen
Justo vs. Roncadelli: Set 2 Games O/U 9.5Polymarket50% UnderOpen
Guido Justo vs. Franco Roncadelli: Total Sets O/U 2.5Polymarket62% Under 2.5Open
Justo vs. Roncadelli: Set 1 Games O/U 10.5Polymarket59% OverOpen
Justo vs. Roncadelli: Set 2 Games O/U 8.5Polymarket50% UnderOpen
Set 2 Winner: Guido Justo vs Franco RoncadelliPolymarket50% Franco RoncadelliOpen
Justo vs. Roncadelli: Match O/U 22.5Polymarket57% UnderOpen
Justo vs. Roncadelli: Set 2 Games O/U 10.5Polymarket50% UnderOpen
Justo vs. Roncadelli: Set 1 Games O/U 8.5Polymarket64% UnderOpen
Game Spread: Guido Justo (-0.5) vs Franco Roncadelli (+0.5)Polymarket53% Guido JustoOpen
Guido Justo vs Franco Roncadelli: Guido Justo winsPolymarket54% Guido JustoOpen
Curitiba: Completed Match: Guido Justo vs Franco RoncadelliPolymarket54% YesOpen
Set Handicap: Guido Justo (-1.5) vs Franco Roncadelli (+1.5)Polymarket66% Franco RoncadelliOpen
Set 1 Winner: Guido Justo vs Franco RoncadelliPolymarket52% Guido JustoOpen

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As of Sep 29, 11:36 PM UTC