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Japan Women's Open: Katie Boulter vs Katerina Siniakova

Markets

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova

    • Katie Boulter39%
    • Katerina Siniakova62%

    Volume $18.6K · Liquidity $58.4K

  • Completed Match

    • Yes49%
    • No51%

    Volume $100 · Liquidity $0.3

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Set Handicap +/-1.5

    • Katerina Siniakova38%
    • Katie Boulter62%

    Volume $63 · Liquidity $19K

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Game Spread +/-2.5

    • Katerina Siniakova50%
    • Katie Boulter50%

    Volume — · Liquidity $11.9K

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Match O/U 21.5

    • Over52%
    • Under48%

    Volume — · Liquidity $12.9K

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Match O/U 22.5

    • Over46%
    • Under55%

    Volume — · Liquidity $10.3K

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Match O/U 23.5

    • Over42%
    • Under58%

    Volume — · Liquidity $1.2K

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Set Handicap +/-1.5

    • Katie Boulter23%
    • Katerina Siniakova78%

    Volume — · Liquidity $10.8K

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Set 1 Winner

    • Katie Boulter43%
    • Katerina Siniakova57%

    Volume — · Liquidity $19.8K

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Set 2 Winner

    • Katie Boulter41%
    • Katerina Siniakova59%

    Volume — · Liquidity $986.5

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Total Sets: O/U 2.5

    • Over 2.541%
    • Under 2.560%

    Volume — · Liquidity $20.3K

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Set 1 O/U 8.5

    • Over70%
    • Under30%

    Volume — · Liquidity $2.7K

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Set 1 O/U 9.5

    • Over49%
    • Under52%

    Volume — · Liquidity $901.6

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Set 1 O/U 10.5

    • Over24%
    • Under77%

    Volume — · Liquidity $1.7K

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Set 2 O/U 8.5

    • Over48%
    • Under52%

    Volume — · Liquidity $10.2

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Set 2 O/U 9.5

    • Over48%
    • Under52%

    Volume — · Liquidity $10.2

  • Japan Women's Open: Katie Boulter vs Katerina Siniakova Set 2 O/U 10.5

    • Over48%
    • Under52%

    Volume — · Liquidity $10.2

Resolution rules

This market refers to the tennis match between Katie Boulter and Katerina Siniakova in the Japan Women's Open, originally scheduled for October 24, 2026 at 12:30AM ET. This market will resolve to 'Katie Boulter' if Katie Boulter advances against Katerina Siniakova. This market will resolve to 'Katerina Siniakova' if Katerina Siniakova advances against Katie Boulter. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 7, 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.

How to read these odds

Each price runs from $0 to $1 and can be read as the probability the market assigns to an outcome: $0.62 means roughly 62%. Prices move with every trade, so they are a crowd estimate, not a guarantee. Before trading, check the resolution rules above, the volume and the liquidity, and only risk money you can afford to lose.

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