Ena Koike vs Kayla Day
Updated
Kayla Day beat Ena Koike 7-5, 6-3, matching the Tennis Gauge model's pick. Kayla Day leads 1-0 in their head-to-head. Koike is 1-9 in their last 10, Day 6-4.
Pre-match prediction
The model makes Kayla Day a 89% favorite. The odds and the model roughly agree, so neither side shows value.
Model estimates, not betting advice. How the numbers work · Expected value of Kayla Day at -667 · Model track record
Player comparison
| Ena Koike | Kayla Day | |
|---|---|---|
| Tennis Gauge rating | 6603 | 6872 |
| Tour rank | WTA #395 | WTA #135 |
| Last 10 matches | 1-9 | 6-4 |
| Last 30 days | 0-3 | 5-1 |
| Current streak | 9 Losses | 2 Losses |
| Season record | 38-29 | 53-23 |
| UTR | 11.12 | 12.24 |
| Elo (52 weeks) | 1379 | 1630 |
| Best surface | Hard | Hard |
| Worst surface | Clay | Grass |
Head to head
Kayla Day leads 1-0.
| Date | Winner | Score | Tournament |
|---|---|---|---|
| 17.10.2026 | Kayla Day | 7-5, 6-3 | Japan Osaka |
Recent form
Ena Koike, last 10
| Date | Opponent | Score | |
|---|---|---|---|
| 17.10.2026 | Kayla Day | L | 7-5, 6-3 |
| 06.10.2026 | Arantxa Rus | L | 6-1, 6-3 |
| 30.09.2026 | Arianna Zucchini | L | 2-6, 6-4, 6-2 |
| 23.09.2026 | Lucciana Perez Alarcon | L | 7-5, 7-6 |
| 12.09.2026 | Sara Sorribes Tormo | L | 7-5, 6-2 |
| 08.09.2026 | Nadia Podoroska | L | 3-6, 6-3, 6-2 |
| 07.9.2026 | Laura Valentina Villamil Arias | W | 6-0, 6-2 |
| 23.08.2026 | Xiyu Wang | L | 6-2, 6-2 |
| 28.07.2026 | Kylie Collins | L | 6-2, 7-5 |
| 22.07.2026 | Sakura Hosogi | L | 3-6, 6-3, 6-4 |
Kayla Day, last 10
| Date | Opponent | Score | |
|---|---|---|---|
| 24.10.2026 | Shuai Zhang | L | 6-3, 3-6, 7-5 |
| 22.10.2026 | Antonia Ruzic | L | 6-4 |
| 20.10.2026 | Sofia Kenin | W | 6-3, 6-2 |
| 18.10.2026 | Maya Joint | L | 6-3, 3-6, 6-3 |
| 17.10.2026 | Ena Koike | W | 7-5, 6-3 |
| 30.09.2026 | Amelie Van Impe | L | 6-2, 6-4 |
| 27.09.2026 | Janae Preston | W | 7-5, 6-4 |
| 26.09.2026 | Ella Mcdonald | W | 7-6, 6-3 |
| 25.09.2026 | Anna Rogers | W | 6-1, 6-0 |
| 25.09.2026 | Evialina Laskevich | W | 6-2, 6-2 |
Common opponents, last 12 months
| Opponent | Ena Koike | Kayla Day |
|---|---|---|
| Claire Liu | 1-0 W 6-2, 7-6 |
1-0 W 6-4, 6-1 |
| Haley Giavara | 0-1 L 7-5, 6-2 |
1-0 W 6-0, 6-2 |
| Janae Preston | 1-0 W 7-6, 6-0 |
1-0 W 7-5, 6-4 |
Earlier previews of this matchup
- 2026-10-16: WTA Osaka (IX) (Japan), model gave Ena Koike 11% at +369
Ena Koike vs Kayla Day: quick answers
Who won Ena Koike vs Kayla Day?
Kayla Day beat Ena Koike 7-5, 6-3, matching the Tennis Gauge model's pick.
What is the head-to-head record between Ena Koike and Kayla Day?
Kayla Day leads 1-0. Their most recent meeting was on October 17, 2026, won by Kayla Day 7-5, 6-3 at Japan Osaka.
Who is in better form, Ena Koike or Kayla Day?
Ena Koike is 1-9 in their last 10 matches (current streak: 9 Losses). Kayla Day is 6-4 (current streak: 2 Losses).
How does Tennis Gauge rate Ena Koike and Kayla Day?
Ena Koike is rated 6603 (WTA #395) and Kayla Day is rated 6872 (WTA #135). Ratings update after every match and weight recent results and opponent strength.
What are the odds for Ena Koike vs Kayla Day?
Ena Koike is priced at +369 and Kayla Day at -667, which implies a 21% and 87% chance to win. The model and the odds roughly agree, so neither side shows value.