Player data updated: 2026-10-17 16:37 UTC
Ena Koike
Instagram profile (opens in new tab)Ena Koike represents Japan on the WTA Tour and is ranked No. 318, having reached a career high of No. 315. She most recently lost to Kayla Day in the Japan Women's Open first qualifying round on October 17, 2026.
Singles ranking
318
Career singles high
315 (Jul 20, 2026)
Elo peak
1500 (5th percentile)
Singles record
0–0
Singles titles
0
Prize money
$82,907
YTD W-L
—
Records cover recorded main-draw singles results in TennisDB's WTA event archive, including credited walkovers; qualifying is shown separately below.
WTA Matches full match log →
| Opponent | Score | Result | H2H | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Kayla Day | 5-7 3-6 | L | H2H | Match data | Oct 17, 2026 | Q1 | Japan Women's Open | WTA 250 | Hard |
| Sara Sorribes Tormo | 5-7 2-6 | L | H2H | Match data | Sep 12, 2026 | Q1 | Guadalajara Open | WTA 500 | Hard |
| Joanna Garland | 3-6 7-5 1-6 | L | H2H | Match data | Oct 12, 2025 | Q1 | Japan Women's Open | WTA 250 | Hard |
| Hailey Baptiste | 4-6 2-6 | L | H2H | Match data | Oct 19, 2024 | Q1 | Pan Pacific Open | WTA 500 | Hard |
| Suzan Lamens | 6-7(6) 1-6 | L | H2H | Match data | Oct 12, 2024 | Q1 | Japan Women's Open | WTA 250 | Hard |
Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.
Career Results
Career Results by Surface
Advanced Stats
| Season | Age | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | 17 | 1466 | 102.1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2025 | 18 | 1455 | 98.0 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2026 | 19 | 1441 | 98.9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1500 | 99.8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Tournament Results by Category
WTA 1000
| Season | Age | MIA | W-L Win % |
|---|---|---|---|
| 2024 | 17 | Q1 | 0–1 (0%) |
| W-L | 0–1 (0%) |
0–1 (0%) |
WTA 500
| Season | Age | PAN | ABU | GUA | W-L Win % |
|---|---|---|---|---|---|
| 2024 | 17 | Q1 | Q1 | — | 0–2 (0%) |
| 2026 | 19 | — | — | Q1 | 0–1 (0%) |
| W-L | 0–1 (0%) | 0–1 (0%) | 0–1 (0%) |
0–3 (0%) |
WTA 250
| Season | Age | JAP | W-L Win % |
|---|---|---|---|
| 2024 | 17 | Q1 | 0–1 (0%) |
| 2025 | 18 | Q1 | 0–1 (0%) |
| 2026 | 19 | Q1 | 0–1 (0%) |
| W-L | 0–3 (0%) |
0–3 (0%) |
Results show the best round reached per tournament and season.
WTA Ranking History full ranking history →
Current rank
318
Career high
315
Career-high date
Jul 20, 2026
First Top 100
—
First Top 50
—
First Top 20
—
First Top 10
—
Ranking History Matrix
| Season | Age | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 19 | — | 499 | 447 | 431 | 384 | 411 | 322 | 328 | 327 | 318 | — | — |
Frequently Asked Questions
- How old is Ena Koike?
- Ena Koike is 19 years old, born on November 21, 2006.
- Which country does Ena Koike represent?
- Ena Koike represents Japan in TennisDB's WTA records.
- Is Ena Koike left-handed or right-handed?
- Ena Koike plays n/a.
- How many Grand Slam singles titles has Ena Koike won?
- Ena Koike has not won a Grand Slam singles title.
- How many WTA 1000 titles has Ena Koike won?
- TennisDB does not group any of Ena Koike's titles under the modern WTA 1000 category.
- What is Ena Koike's highest WTA ranking?
- Ena Koike's career-high WTA singles ranking is world No. 315, first achieved on July 20, 2026.
- What is Ena Koike's career win-loss record?
- Ena Koike has a career WTA singles record of 0 wins and 0 losses.
- How much career prize money has Ena Koike earned?
- Ena Koike has earned at least $82,907 in career prize money from professional tennis.