Match Info

WTA - SINGLES: Osaka, hard - 1/8-finals

Date: 21 October 2026, Wednesday


	Antonia Ruzic		Kayla Day

	1	2
	1.8	2	Watch
	1.91	1.85
	1.83	1.95	Watch
	1.9	1.9	Watch
	1.93	1.87
	1.9	1.9	Watch
	1.79	1.91
Avarage Now (Initially)	1.87 ↑ (1.87)	1.91 ↑ (1.87)

The most likely Over/Under: 22.00

The best margin for this event is 5.3%, offered by

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Current Win Probability

Antonia Ruzic
50.6%

Kayla Day
49.4%

Initial Probability (when we started the analysis)

50%

Our Initial ML Estimation

47.2%

52.8%

Analysis of Changes in Winning Probabilities:

Antonia Ruzic has improved its chances compared to the initial analysis. (+0.6%)

Kayla Day has seen a decrease in its chances compared to the initial analysis. (-0.6%)

ML Model estimates a lower probability for Antonia Ruzic than the current prediction. (-3.4%)

ML Model estimates a higher probability for Kayla Day than the current prediction. (+3.4%)

Who will win by Users?

1	X	2
60%	0%	40%

Antonia Ruzic - Kayla Day Predictions

Users Predictions: 5 users predict this event. Ruzic will win (votes: 3 - 60%). Day will win (votes: 2 - 40%).

Expected Score (Market Odds): 2:0

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Preview

Ruzic is ranked WTA: 91., and Day is ranked WTA: 119..

Both players have shown inconsistent performances in recent matches.

Day 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.

No recent head-to-head matches have been recorded between these two competitors.

Last Results with these Odds

Antonia Ruzic - the odds 1.87 are the expected chance of winning is 50%, but this team recently wins 67% of matches with these odds.

Kayla Day - the odds 1.87 are the expected chance of winning is 50%, but this team recently wins 67% of matches with these odds.

Form

✺ - easy match; ✺ - difficult match;

- Antonia Ruzic
WTA Osaka
20.10.26	Paula Badosa - Antonia Ruzic	1:2 ✺
ATP Challenger
15.10.26	Antonia Ruzic - Bianca Vanessa Andreescu	1:2 ✺
13.10.26	Antonia Ruzic - Anna Siskova	2:0 ✺
06.10.26	Antonia Ruzic - Alicia Dudeney	1:2 ✺
03.10.26	Antonia Ruzic - Leolia Jeanjean	1:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 7.1 WLWLL
- Kayla Day
WTA Osaka
20.10.26	Kayla Day - Sofia Kenin	2:0 ✺
20.10.26	Kayla Day - Kimberly Birrell	Canceled ✺
17.10.26	Maya Joint - Kayla Day	2:1 ✺
16.10.26	Ena Koike - Kayla Day	0:2 ✺
ITF Tournaments
30.09.26	Amelie Van Impe - Kayla Day	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 6.4 W?LWL

Upcoming Matches

✺ - easy match; ✺ - difficult match;

- Antonia Ruzic
WTA Osaka
23.10.26	Katie Boulter - Antonia Ruzic	✺

Antonia Ruzic - Kayla Day: Predictions, Live Scores & TV Guide