WTAHardOsaka2026-10-17 04:30
Ena Koike v Kayla Day
Head to head
First career meetingNo previous matches between these two on record.
This season & this event
E. Koike
K. Day
26-22
22-18
Did not play
Did not play
2026 record
2026 on hard
Here in 2025
Here in 2024
45-19
25-10
Did not play
Did not play
Ranking points fall off a year after they are earned, so a player who went deep here last year must match it or drop in the rankings. That shapes effort in a way the price does not always show.
The players
Ena Koike
Japan
Kayla Day
USA
428
19
Japan
14–8
0
12–7
2–1
—
Ranking
Age
Country
2026 W/L
Titles
Hard
Clay
Grass
123
27
USA
39–17
3
20–9
15–5
4–3
Ranking, record and surface splits are for the most recent season on file. Height, weight and handedness are not published by our data provider.
E. Koike — last 10
With the pre-match price we recorded at the time.
| Date | Event | Surface | Opponent | Score | Their price | Market | Result |
|---|---|---|---|---|---|---|---|
| 2026-10-06 | W50 Lexington, Sc (Usa), Hard | — | A. Rus | 2 - 0 | 2.39 | 60% | LOST |
| 2026-09-30 | W100 Templeton | Hard | A. Zucchini | 1 - 2 | 1.43 | 67% | LOST |
| 2026-09-23 | W50 Berkeley | Hard | L. Perez Alarcon | 0 - 2 | 1.52 | 62% | LOST |
| 2026-09-12 | Guadalajara | Clay | S. Sorribes Tormo | 2 - 0 | 4.08 | 76% | LOST |
| 2026-09-08 | Barranquilla | Hard | N. Podoroska | 1 - 2 | 3.12 | 69% | LOST |
| 2026-09-07 | Barranquilla | Hard | L. V. Villamil Arias | 2 - 0 | — | — | WON |
| 2026-08-23 | Philadelphia (Usa) | Hard | Xiy. Wang | 2 - 0 | 12.70 | 92% | LOST |
| 2026-07-28 | W75 Lexington, KY | Hard | K. Collins | 2 - 0 | 1.46 | 65% | LOST |
| 2026-07-17 | W75 Granby | Hard | S. Hosogi | 2 - 1 | 1.60 | 60% | LOST |
| 2026-07-16 | W75 Granby | Hard | M. Kuramochi | 2 - 0 | 1.40 | 68% | WON |
K. Day — last 10
With the pre-match price we recorded at the time.
| Date | Event | Surface | Opponent | Score | Their price | Market | Result |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | W100 Templeton | Hard | A. Van Impe | 2 - 0 | — | — | LOST |
| 2026-09-27 | W50 Berkeley | Hard | J. Preston | 2 - 0 | — | — | WON |
| 2026-09-26 | W50 Berkeley | Hard | E. McDonald | 2 - 0 | — | — | WON |
| 2026-09-25 | W50 Berkeley | Hard | A. S. Rogers | 2 - 0 | — | — | WON |
| 2026-09-24 | W50 Berkeley | Hard | E. Laskevich | 2 - 0 | — | — | WON |
| 2026-09-23 | W50 Berkeley | Hard | A. Bulatova | 2 - 0 | — | — | WON |
| 2026-09-17 | Guadalajara | Clay | L. Samsonova | 1 - 2 | — | — | LOST |
| 2026-09-14 | Guadalajara | Clay | E. Kalieva | 0 - 2 | — | — | WON |
| 2026-09-09 | Barranquilla | Hard | E. Jacquemot | 0 - 2 | — | — | LOST |
| 2026-09-07 | Barranquilla | Hard | S. Lamens | 2 - 0 | — | — | WON |