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Tennis · Osaka · Japan · hard

Koike E. vs Day K.

Saturday, 17 October 2026

Played. Source reports: FINISHED.
Final score · sets
Koike E.0-2Day K.
Set 1
5-7
Set 2
3-6

Prediction and result

Before the match, the model gave Day K. a 79% chance on hard courts. That rests on a ranking of No. 119 against No. 318 and 7 wins from the last 10 matches on hard courts to 2. Day K. won 2-0 in sets, as the model expected.

Key facts before the match

  • Koike E. has lost 5 matches in a row.
  • Recent form favours Day K.: 7 wins from the last 10 matches, against 2 for Koike E.
Japan•WTA•Osaka•hard
Koike E.
Age 19 · Rank #318
VS
Age 27 · Rank #119
Day K.
Saturday, 17 October 2026 at 05:30
Played. Source reports: FINISHED.
Final score · sets
Koike E.0-2Day K.
Set 1
5-7
Set 2
3-6
Model win probability
Koike E.Day K.
21%
79%
First meeting — no head-to-head history between these players.
Model Prediction
Koike E.
21%
Day K.
79%
medium confidenceData 70%hard0 H2H used
◀ Koike E.Why the model leansDay K. ▶
Ranking
-0.41
Surface
0.00
Form
-0.48
H2H
0.00
Model v2.3-2026-06
Koike E. Form
Koike E.
06 Oct2026
Rus A.WTA #256 vs Koike E.WTA #318
2-0L
30 Sept2026
Koike E.WTA #318 vs Zucchini A.WTA #575
1-2L
23 Sept2026
Koike E.WTA #318 vs Perez Alarcon L.WTA #323
0-2L
12 Sept2026
Sorribes Tormo S.WTA #175 vs Koike E.WTA #318
2-0L
08 Sept2026
Koike E.WTA #318 vs Podoroska N.WTA #203
1-2L
07 Sept2026
Koike E.WTA #318 vs Villamil Arias L. V.
2-0W
23 Aug2026
Wang Xiy. vs Koike E.WTA #318
2-0L
28 Jul2026
Collins K.WTA #322 vs Koike E.WTA #318
2-0L
17 Jul2026
Hosogi S.WTA #329 vs Koike E.WTA #318
2-1L
16 Jul2026
Koike E.WTA #318 vs Kuramochi M.WTA #376
2-0W
Day K. Form
Day K.
30 Sept2026
Van Impe A.WTA #675 vs Day K.WTA #119
2-0L
27 Sept2026
Day K.WTA #119 vs Preston J.WTA #589
2-0W
26 Sept2026
Day K.WTA #119 vs Mcdonald E.WTA #351
2-0W
25 Sept2026
Day K.WTA #119 vs Rogers A. S.WTA #309
2-0W
25 Sept2026
Day K.WTA #119 vs Laskevich E.WTA #573
2-0W
24 Sept2026
Day K.WTA #119 vs Bulatova A.WTA #631
2-0W
17 Sept2026
Day K.WTA #119 vs Samsonova L.WTA #43
1-2L
14 Sept2026
Kalieva E.WTA #112 vs Day K.WTA #119
0-2W
10 Sept2026
Day K.WTA #119 vs Jacquemot E.WTA #158
0-2L
07 Sept2026
Day K.WTA #119 vs Lamens S.WTA #230
2-0W
Head-to-Head
Last 10
No rows.

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