Current implied probability
Yes 93.5%
Yes 93.5%Market quality
36 / 100
Low quality24h Volume
$420.8
Liquidity
—
Liquidity unknownMarket data
Updated 3 minutes ago
Oct 17, 26, 12:04 PM UTCOct 21, 26, 4:00 AM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Rules
This market refers to the tennis match between Katie Boulter and Himeno Sakatsume in the WTA Japan Women's Open, originally scheduled for October 19, 2026 at 01:00 UTC.
- This market will resolve to 'Katie Boulter' if Katie Boulter advances against Himeno Sakatsume.
- This market will resolve to 'Himeno Sakatsume' if Himeno Sakatsume 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 2, 2026, 23:59 UTC (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.
Prediction Source Comparison
- Also available on Polymarket — Japan Women's Open: Katie Boulter vs Himeno Sakatsume · Boulter vs. Sakatsume: Set 1 Games O/U 8.5 — Over 100%
