Match Info

WTA - SINGLES: Osaka - Qualification, hard - Semi-finals

Date: 16 October 2026, Friday


	Ena Koike		Kayla Day

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Ena Koike
19.8%

Kayla Day
80.2%

Initial Probability (when we started the analysis)

20.7%

79.3%

Analysis of Changes in Winning Probabilities:

Ena Koike has seen a decrease in its chances compared to the initial analysis. (-0.9%)

Kayla Day has improved its chances compared to the initial analysis. (+0.9%)

1	X	2
0%	0%	100%

Users Predictions: 1 users predict this event. Day will win (votes: 1 - 100%).

Expected Score (Market Odds): 0:2

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Koike is ranked WTA: 318., and Day is ranked WTA: 119..

Koike is on a difficult losing run (last 5 matches: 0 wins).

Day is in good shape currently (last 5 matches: 4 wins).

Day could enjoy a physical edge thanks to more rest days ahead of this match.

Day holds a commanding advantage according to the oddsmakers.

These two players have no recorded direct encounters in recent history.

✺ - easy match; ✺ - difficult match;

- Ena Koike
ITF Tournaments
06.10.26	Arantxa Rus - Ena Koike	2:0 ✺
30.09.26	Ena Koike - Arianna Zucchini	1:2 ✺
23.09.26	Ena Koike - Lucciana Perez Alarcon	0:2 ✺
WTA Guadalajara
12.09.26	Sara Sorribes Tormo - Ena Koike	2:0 ✺
ATP Challenger
08.09.26	Ena Koike - Nadia Podoroska	1:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 0 LLLLL
- Kayla Day
ITF Tournaments
30.09.26	Amelie Van Impe - Kayla Day	2:0 ✺
27.09.26	Kayla Day - Janae Preston	2:0 ✺
26.09.26	Kayla Day - Ella McDonald	2:0 ✺
25.09.26	Kayla Day - Anna Sinclair Rogers	2:0 ✺
24.09.26	Kayla Day - Evialina Laskevich	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 4.5 LWWWW

Ena Koike - Kayla Day: Predictions, Live Scores & TV Guide