WTArating 1348 · peak 1536
Haruka Kaji
Japan · 32 years old · plays right-handed · born in N/A
WTA singles record since 2007
Won-lost
8-17
32% of matches
Titles
0
0 finals lost
Tiebreaks
5-2
won-lost
Deciding sets
2 of 7
44% of games won
By surface
| Surface | Won-lost | Win % | Games won | Tiebreaks | Rating |
|---|---|---|---|---|---|
| hard | 8-14 | 36% | 45% | 4-1 | 1333 |
| clay | 0-3 | 0% | 35% | 1-1 | 1403 |
Counted from scores; walkovers excluded. See surface Elo and share of games won.
Recent matches
| Date | Tournament | Opponent | Result | Score |
|---|---|---|---|---|
| 2026-09-28 | Jingshan Tennis Open Round 1 | Emerson Jones | loss | 6-2 6-4 |
| 2026-09-19 | Korea Open Qualifying 1st Round | Darya Astakhova | loss | 6-2 6-7(6) 6-2 |
| 2026-07-29 | Odlum Brown VanOpen Round 1 | Taylah Preston | loss | 6-0 6-2 |
| 2026-05-06 | Jiangxi Open Round 2 | Yao Xinxin | loss | 6-4 6-3 |
| 2026-05-05 | Jiangxi Open Round 1 | Gao Xinyu | win | 7-6(2) 4-1 ret. |
| 2025-10-26 | Prudential Hong Kong Tennis Open Qualifying Final | Kristiana Sidorova | loss | 6-1 6-2 |
| 2025-10-25 | Prudential Hong Kong Tennis Open Qualifying 1st Round | Kallista Liu | win | 7-6(4) 6-4 |
| 2025-10-15 | 125 Jinan Open Round 2 | Gao Xinyu | loss | 6-3 6-3 |
| 2025-10-13 | 125 Jinan Open Round 1 | Ren Yufei | win | 4-6 6-2 7-5 |
| 2025-06-10 | BBVA Open Internacional De Valencia Round 1 | Maria Lourdes Carle | loss | 6-1 6-2 |
| 2025-06-03 | Open delle Puglie Trofeo Round 1 | Anna Bondar | loss | 6-1 6-2 |
| 2025-05-19 | Roland Garros Qualifying 1st Round | Margaux Rouvroy | loss | 6-7(7) 7-5 7-6(3) |
| 2025-01-04 | Hobart International Qualifying 1st Round | Renata Zarazua | loss | 6-1 7-6(5) |
| 2024-12-27 | ASB Classic Qualifying 1st Round | Lucrezia Stefanini | loss | 6-1 6-3 |
| 2024-11-07 | Dow Tennis Classic Round 2 | Varvara Lepchenko | loss | 6-7(5) 6-4 6-4 |
| 2024-11-05 | Dow Tennis Classic Round 1 | Emily Appleton | win | 6-1 6-4 |
| 2024-11-04 | Dow Tennis Classic Qualifying Final | Leonie Kung | win | 6-2 6-2 |
| 2024-11-03 | Dow Tennis Classic Qualifying 1st Round | Tara Moore | win | 6-0 6-2 |
| 2024-10-19 | Toray Pan Pacific Open Tennis Qualifying 1st Round | Mei Yamaguchi | loss | 6-3 6-3 |
| 2024-09-14 | Korea Open Qualifying 1st Round | Yeonwoo Ku | loss | 0-6 6-3 6-2 |
| 2023-09-10 | Kinoshita Group Japan Open Qualifying Final | Elizabeth Mandlik | loss | 6-1 6-2 |
| 2023-09-09 | Kinoshita Group Japan Open Qualifying 1st Round | Kyoka Okamura | win | 6-4 4-6 6-2 |
| 2023-08-25 | US Open Qualifying 2nd Round | Kaja Juvan | loss | 6-3 4-6 6-2 |
| 2023-08-23 | US Open Qualifying 1st Round | Valentini Grammatikopoulou | win | 6-3 6-3 |
| 2023-01-28 | Thailand Open Qualifying 1st Round | Ipek Oz | loss | 6-3 6-0 |
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