Match Info
WTA - SINGLES: Osaka, hard - 1/16-finalsDate: 20 October 2026, Tuesday
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Kayla Day |
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Kimberly Birrell |
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- The most likely Over/Under: 21.50
- The best margin for this event is 5.4%, offered by

#Advertisement. For Live Stream GEO restrictions apply. Funded account required. GamblingTherapy.org. 18+ Current Win Probability
Kayla Day 40.9% | Kimberly Birrell 59.1% |
Initial Probability (when we started the analysis)
Our Initial ML EstimationAnalysis of Changes in Winning Probabilities:Kayla Day has improved its chances compared to the initial analysis. (+4%)Kimberly Birrell has seen a decrease in its chances compared to the initial analysis. (-4%)ML Model estimates a lower probability for Kayla Day than the current prediction. (-2.1%)ML Model estimates a higher probability for Kimberly Birrell than the current prediction. (+2.1%)Kayla Day - Kimberly Birrell Predictions
Users Predictions:
3 users predict this event. Day will win (votes: 1 - 33.3%). Birrell will win (votes: 2 - 66.7%). Verified Performance Core (Selected Experts): 2 Selected Experts predict this event. Day (votes: 1 - 50%). Birrell (votes: 1 - 50%). Over/Under & Asian Handicap Predictions by Selected Experts:- AH -1.5 Sets - Birrell (2.36) (votes: 1 - 100%) .
- O/U 22.5 Games - under (1.64) (votes: 1 - 100%) .
Overall Expert Consensus (including all markets): 3 Selected Experts predict this event. Day (votes: 1 - 33.3%). Birrell (votes: 2 - 66.7%). Expected Score (Market Odds): 0:2 
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Preview
Day is ranked WTA: 119., and Birrell is ranked WTA: 41..The recent form of both competitors has been marked by mixed results.Day may face physical fatigue compared to their opponent, having played more matches in recent days. A closely fought contest is anticipated, with Birrell holding a narrow advantage. No recent head-to-head matches have been recorded between these two competitors.
Form
✺ - easy match;
✺ - difficult match;