PolymarketResolved

Japan Women's Open: Kayla Day vs Kimberly Birrell

Kimberly Birrell50%
Kayla Day50%

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This market has settled. The prices shown are final.
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24h volume—
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Spread1%
ResolvesOct 27, 2026in 2 days

Probability history

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Shaded periods have no successful hourly price check.

Probability history0%25%50%75%100%Oct 19Oct 20Oct 22Oct 23Oct 24Shaded 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.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.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 Kayla Day and Kimberly Birrell in the Japan Women's Open, originally scheduled for October 20, 2026 at 1:30AM ET. This market will resolve to 'Kayla Day' if Kayla Day advances against Kimberly Birrell. This market will resolve to 'Kimberly Birrell' if Kimberly Birrell advances against Kayla Day. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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 WTA Tour. A consensus of credible reporting may also be used.

Sourcehttps://www.wtatennis.com/scores

Other legs of this event

MarketVenuePriceStatus
Game Spread: Kimberly Birrell (-3.5) vs Kayla Day (+3.5)Polymarket51% Kayla DayOpen
Japan Women's Open: Completed Match: Kayla Day vs Kimberly BirrellPolymarket100% NoOpen
Day vs. Birrell: Set 1 Games O/U 8.5Polymarket50% UnderOpen
Day vs. Birrell: Match O/U 21.5Polymarket50% UnderOpen
Kayla Day vs. Kimberly Birrell: Total Sets O/U 2.5Polymarket50% Over 2.5Open
Day vs. Birrell: Set 2 Games O/U 8.5Polymarket50% UnderOpen
Day vs. Birrell: Set 2 Games O/U 10.5Polymarket50% OverOpen
Day vs. Birrell: Set 2 Games O/U 9.5Polymarket50% UnderOpen
Set 2 Winner: Kayla Day vs Kimberly BirrellPolymarket50% Kayla DayOpen
Set Handicap: Kayla Day (-1.5) vs Kimberly Birrell (+1.5)Polymarket50% Kayla DayOpen
Day vs. Birrell: Set 1 Games O/U 10.5Polymarket50% UnderOpen
Set 1 Winner: Kayla Day vs Kimberly BirrellPolymarket50% Kimberly BirrellOpen
Day vs. Birrell: Match O/U 22.5Polymarket50% UnderOpen
Set Handicap: Kimberly Birrell (-1.5) vs Kayla Day (+1.5)Polymarket50% Kimberly BirrellOpen
Day vs. Birrell: Set 1 Games O/U 9.5Polymarket50% UnderOpen
Day vs. Birrell: Match O/U 23.5Polymarket50% OverOpen

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As of Oct 25, 01:33 AM UTC