Match Info

CHALLENGER WOMEN - SINGLES: Birmingham - Qualification, grass - Final

Date: 1 June 2025, Sunday


	Arianne Hartono		Sayaka Ishii

	1	2
	2.38	1.53	Watch
	2.45	1.5
	2.32	1.54	Watch
	2.41	1.54
	2.38	1.54	Watch
	2.2	1.62
	2.4	1.53	Watch
	2.32	1.54
Avarage Now (Initially)	2.36 ↑ (1.84)	1.54 ↓ (1.84)

The best margin for this event is 6.4%, offered by

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Current Win Probability

Arianne Hartono
39.6%

Sayaka Ishii
60.4%

Initial Probability

(when we started the analysis)

49.9%

50.1%

Our Initial ML Estimation

47.9%

52.1%

Analysis of Changes in Winning Probabilities:

Arianne Hartono has seen a decrease in its chances compared to the initial analysis. (-10.3%)

Note: This is a significant drop in prediction, indicating that Arianne Hartono's form might have worsened.

Sayaka Ishii has improved its chances compared to the initial analysis. (+10.3%)

Note: This is a significant improvement in prediction, suggesting Sayaka Ishii's recent form is better than expected.

ML Model estimates a higher probability for Arianne Hartono than the current prediction. (+8.3%)

Note: The ML model's higher estimate suggests a strong performance forecast for Arianne Hartono, possibly due to key factors that the model accounted for.

ML Model estimates a lower probability for Sayaka Ishii than the current prediction. (-8.3%)

Note: The ML model's lower estimate suggests a potential downturn for Sayaka Ishii, possibly due to injuries or other negative factors.

Who will win by Users?

1	X	2
20%	0%	80%

Arianne Hartono - Sayaka Ishii Predictions

Users Predictions: 5 users predict this event. Hartono will win (votes: 1 - 20%). Ishii will win (votes: 4 - 80%).

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

Expected Score (Market Odds): 0:2

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Preview

Hartono is ranked WTA: 179. Ishii is ranked WTA: 204.

Hartono is currently in poor form (last 5 games: 1 wins).

Ishii has been unpredictable lately (in the last 5 games, wins – 2).

The chances of victory for both players are nearly identical in this match.

In the last 1 head-to-head match, Hartono won 1 match, drew 0 matches, lost 0 matches, and goals 2:1.

Last Results with these Odds

Arianne Hartono - the odds 1.84 are the expected chance of winning is 49.93%, but this team recently wins 40% of matches with these odds.

Sayaka Ishii - the odds 1.84 are the expected chance of winning is 50.07%, but this team recently wins 30% of matches with these odds.

Form

✺ - easy match; ✺ - difficult match;

- Arianne Hartono
ATP Challenger
31.05.25	Arianne Hartono - Naiktha Bains	2:0 ✺
WTA Roland Garros
20.05.25	Arianne Hartono - Nuria Brancaccio	0:2 ✺
ITF Tournaments
13.05.25	Arianne Hartono - Anastasiya Soboleva	0:2 ✺
30.04.25	Han Shi - Arianne Hartono	2:0 ✺
24.04.25	Wakana Sonobe - Arianne Hartono	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 2.5 WLLLL
- Sayaka Ishii
ATP Challenger
31.05.25	Amelia Rajecki - Sayaka Ishii	0:2 ✺
WTA Roland Garros
19.05.25	Sayaka Ishii - Panna Udvardy	0:2 ✺
ITF Tournaments
30.04.25	Sayaka Ishii - Ena Koike	0:2 ✺
30.04.25	Ena Shibahara - Sayaka Ishii	1:2 ✺
23.04.25	Sayaka Ishii - Lin Zhu	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 9.7 WLLWL

Latest Head to Head

ITF Tournaments
05.04.24	Arianne Hartono - Sayaka Ishii	2:1

Arianne Hartono - Sayaka Ishii: Predictions, Live Scores & TV Guide