Match Info

ITF WOMEN - SINGLES: W50 Nanao, grass - 1/8-finals

Date: 23 September 2026, Wednesday


	Natsumi Kawaguchi		Sayaka Ishii

	1	2
			Watch
	1.60	2.15
	1.67	2.05	Watch
	1.65	2.08	Watch
	1.64	2.09	Watch
Avarage Now (Initially)	1.64 ↓ (2.22)	2.09 ↑ (1.59)

The most likely Over/Under: 21.50

The best margin for this event is 8.7%, offered by

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Current Win Probability

Natsumi Kawaguchi
56.1%

Sayaka Ishii
43.9%

Initial Probability

(when we started the analysis)

41.7%

58.3%

Our Initial ML Estimation

43.4%

56.6%

Analysis of Changes in Winning Probabilities:

Natsumi Kawaguchi has improved its chances compared to the initial analysis. (+14.4%)

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

Sayaka Ishii has seen a decrease in its chances compared to the initial analysis. (-14.4%)

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

ML Model estimates a lower probability for Natsumi Kawaguchi than the current prediction. (-12.7%)

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

ML Model estimates a higher probability for Sayaka Ishii than the current prediction. (+12.7%)

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

Who will win by Users?

1	X	2
75%	0%	25%

Natsumi Kawaguchi - Sayaka Ishii Predictions

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

Expected Score (Market Odds): 2:0

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Preview

Kawaguchi is ranked WTA: 411., and Ishii is ranked WTA: 739..

Each of the two players is seeking greater consistency after recent ups and downs.

Ishii may face physical fatigue compared to their opponent, having played more matches in recent days.

In this match, both players have fairly balanced chances of victory.

In the last 2 head-to-head meetings, Kawaguchi has recorded 2 wins, 0 draws, and 0 losses, with a goal aggregate of 4:1 (averaging 2:0.5 goals per game).

Form

✺ - easy match; ✺ - difficult match;

- Natsumi Kawaguchi
ITF Tournaments
22.09.26	Natsumi Kawaguchi - Kayo Nishimura	2:0 ✺
17.09.26	Rinko Matsuda - Natsumi Kawaguchi	2:0 ✺
17.09.26	Haruna Arakawa - Natsumi Kawaguchi	0:2 ✺
15.09.26	Kayo Nishimura - Natsumi Kawaguchi	0:2 ✺
25.08.26	Natsumi Kawaguchi - Priska Madelyn Nugroho	1:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 5.1 WLWWL
- Sayaka Ishii
ITF Tournaments
22.09.26	Nagi Hanatani - Sayaka Ishii	0:2 ✺
17.09.26	Hiromi Abe - Sayaka Ishii	2:1 ✺
16.09.26	Sayaka Ishii - Amelia Rajecki	2:1 ✺
15.09.26	Sayaka Ishii - Cheuk Ying Shek	2:0 ✺
27.08.26	Sayaka Ishii - Alice Ferlito	1:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 6.4 WLWWL

Latest Head to Head

ITF Tournaments
19.05.26	Natsumi Kawaguchi - Sayaka Ishii	2:0
03.10.22	Sayaka Ishii - Natsumi Kawaguchi	1:2

Natsumi Kawaguchi - Sayaka Ishii: Predictions, Live Scores & TV Guide