Match Info

CHALLENGER WOMEN - SINGLES: Newport, grass - 1/16-finals

Date: 8 July 2025, Tuesday


	Hanna Chang		Sayaka Ishii

	1	2
	2.63	1.44	Watch
	2.75	1.44
	2.6	1.44	Watch
	2.75	1.47
			Watch
	2.5	1.5
	2.48	1.5	Watch
Avarage Now (Initially)	2.62 ↑ (2.48)	1.47 ↓ (1.5)

The best margin for this event is 4.4%, offered by

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Current Win Probability

Hanna Chang
35.9%

Sayaka Ishii
64.1%

Initial Probability

(when we started the analysis)

37.6%

62.4%

Our Initial ML Estimation

36.7%

63.3%

Analysis of Changes in Winning Probabilities:

Hanna Chang has seen a decrease in its chances compared to the initial analysis. (-1.7%)

Sayaka Ishii has improved its chances compared to the initial analysis. (+1.7%)

ML Model estimates a higher probability for Hanna Chang than the current prediction. (+0.8%)

ML Model estimates a lower probability for Sayaka Ishii than the current prediction. (-0.8%)

Who will win by Users?

1	X	2
80%	0%	20%

Hanna Chang - Sayaka Ishii Predictions

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

Expected Score (Market Odds): 0:2

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Preview

Chang is ranked WTA: 228. Ishii is ranked WTA: 226.

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

Ishii has been playing with ups and downs recently (in the last 5 games, wins – 2).

Chang may face physical challenges compared to their opponent, as they have played more matches in recent days.

Ishii is expected to have a slight advantage in this match.

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

Form

✺ - easy match; ✺ - difficult match;

- Hanna Chang
ITF Tournaments
02.07.25	Elvina Kalieva - Hanna Chang	2:0 ✺
WTA Wimbledon
24.06.25	Lola Radivojevic - Hanna Chang	2:1 ✺
ITF Tournaments
04.06.25	Hanna Chang - Shrivalli Rashmikaa Bhamidipaty	1:2 ✺
WTA Roland Garros
22.05.25	Taylor Townsend - Hanna Chang	2:1 ✺
20.05.25	Leonie Kung - Hanna Chang	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 2.4 LLLLW
- Sayaka Ishii
WTA Wimbledon
24.06.25	Sayaka Ishii - Kathinka Von Deichmann	0:2 ✺
ATP Challenger
09.06.25	Sayaka Ishii - Valentina Ryser	0:2 ✺
08.06.25	Sayaka Ishii - Alana Smith	2:1 ✺
03.06.25	Sayaka Ishii - Sijia Wei	0:2 ✺
01.06.25	Arianne Hartono - Sayaka Ishii	1:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 4 LLWLW

Latest Head to Head

ITF Tournaments
04.09.24	Hanna Chang - Sayaka Ishii	1:2

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