Match Info

WTA - SINGLES: Osaka, hard - 1/16-finals

Date: 20 October 2026, Tuesday


	Katie Boulter		Himeno Sakatsume

	1	2
	1.50	2.63	Watch
	1.55	2.40
	1.52	2.55	Watch
	1.54	2.41	Watch
	1.02	13.00
	1.02	8.80	Watch
	1.50	2.45
Avarage Now (Initially)	1.38 ↓ (1.5)	4.89 ↑ (2.42)

The most likely Over/Under: 17.50

The best margin for this event is 4.7%, offered by

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Current Win Probability

Katie Boulter
78%

Himeno Sakatsume
22%

Initial Probability (when we started the analysis)

61.7%

38.3%

Our Initial ML Estimation

65.4%

34.6%

Analysis of Changes in Winning Probabilities:

Katie Boulter has improved its chances compared to the initial analysis. (+16.3%)

Note: This is a significant improvement in prediction, suggesting increased confidence in Katie Boulter's performance.

Himeno Sakatsume has seen a decrease in its chances compared to the initial analysis. (-16.3%)

Note: This is a significant drop in prediction, and Himeno Sakatsume might be facing challenges that affect their performance.

ML Model estimates a lower probability for Katie Boulter than the current prediction. (-12.6%)

Note: The ML model's lower estimate suggests that there may be underlying issues with Katie Boulter that the model has picked up on.

ML Model estimates a higher probability for Himeno Sakatsume than the current prediction. (+12.6%)

Note: The ML model's higher estimate suggests that Himeno Sakatsume could outperform expectations, possibly based on recent matchups or player stats.

Who will win by Users?

1	X	2
25%	0%	75%

Katie Boulter - Himeno Sakatsume Predictions

Users Predictions: 4 users predict this event. Boulter will win (votes: 1 - 25%). Sakatsume will win (votes: 3 - 75%).

Verified Performance Core (Selected Experts): 1 Selected Experts predict this event. Sakatsume (votes: 1 - 100%).

Expected Score (Market Odds): 2:0

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Preview

Boulter is ranked WTA: 54., and Sakatsume is ranked WTA: 115..

Boulter is going through a lean spell lately (last 5 matches: 1 win).

Sakatsume has shown an inconsistent pattern in recent weeks (last 5 matches: 3 wins).

Boulter is expected to hold a slight competitive edge in this match.

In the last 1 head-to-head meeting, Boulter has recorded 0 wins, 0 draws, and 1 loss, with a goal aggregate of 0:2.

Last Results with these Odds

Katie Boulter - the odds 1.5 are the expected chance of winning is 61.73%, but this team recently wins 56% of matches with these odds.

Form

✺ - easy match; ✺ - difficult match;

- Katie Boulter
WTA Wuhan
13.10.26	Katie Boulter - Diana Shnaider	0:2 ✺
WTA Beijing
02.10.26	Karolina Muchova - Katie Boulter	2:0 ✺
30.09.26	Mai Hontama - Katie Boulter	0:2 ✺
WTA Billie Jean King Cup World Group
22.09.26	Linda Noskova - Katie Boulter	2:0 ✺
WTA US Open
02.09.26	Katie Boulter - Karolina Muchova	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 2.3 LLWLL
- Himeno Sakatsume
ATP Challenger
10.10.26	Ayla Aksu - Himeno Sakatsume	2:0 ✺
09.10.26	Simona Waltert - Himeno Sakatsume	1:2 ✺
07.10.26	Viktoria Hruncakova - Himeno Sakatsume	0:2 ✺
05.10.26	Dominika Salkova - Himeno Sakatsume	0:2 ✺
WTA Seoul
21.09.26	Taylah Preston - Himeno Sakatsume	2:1 ✺
Form Coefficient (based on results and difficulties of last matches) - 7.5 LWWWL

Latest Head to Head

ITF Tournaments
06.05.23	Himeno Sakatsume - Katie Boulter	2:0

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