Player data updated: 2026-09-01 02:16 UTC
Haruka Kaji
Instagram profile (opens in new tab)Haruka Kaji represents Japan on the WTA Tour and is ranked No. 259, with a career high of No. 219. In TennisDB's records, Haruka Kaji has a career record of 0–0 and no singles titles.
Ranking
259
Career high
219 (May 19, 2025)
Elo peak
1506 (7th percentile)
Career record
0–0
Career titles
0
Prize money
$297,599
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 |
|---|---|---|---|---|---|---|---|---|---|
| Kristiana Sidorova | 1-6 2-6 | L | H2H | Match data | Oct 26, 2025 | Q2 | Hong Kong Open | WTA 250 | Hard |
| Kallista Liu | 7-6(4) 6-4 | W | H2H | Match data | Oct 25, 2025 | Q1 | Hong Kong Open | WTA 250 | Hard |
| Renata Zarazua | 1-6 6-7(5) | L | H2H | Match data | Jan 3, 2025 | Q1 | Hobart International | WTA 250 | Hard |
| Lucrezia Stefanini | 1-6 3-6 | L | H2H | Match data | Dec 27, 2024 | Q1 | ASB Classic | WTA 250 | Hard |
| Mei Yamaguchi | 3-6 3-6 | L | H2H | Match data | Oct 19, 2024 | Q1 | Pan Pacific Open | WTA 500 | Hard |
Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.
Career Results
Career Results by Surface
| Season | Age | Type | Hard | Clay | Grass | Total | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 2017 | 22 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2018 | 23 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2019 | 24 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2023 | 28 | Qualifying | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 33.3% |
| 2024 | 29 | Qualifying | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | 0 | 2 | 2 | 0.0% |
| 2025 | 30 | Qualifying | 1 | 3 | 4 | 25.0% | — | — | — | — | — | — | — | — | 1 | 3 | 4 | 25.0% |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | 22 | 1490 | 100.1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2018 | 23 | 1475 | 93.1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2019 | 24 | 1457 | 96.6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2023 | 28 | 1450 | 90.4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2024 | 29 | 1468 | 97.0 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2025 | 30 | 1447 | 93.2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2026 | 31 | 1421 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1506 | 88.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Tournament Results by Category
WTA 500
| Season | Age | KOR | PAN | PAN | W-L Win % |
|---|---|---|---|---|---|
| 2017 | 22 | — | — | Q1 | 0–1 (0%) |
| 2018 | 23 | — | Q1 | — | 0–1 (0%) |
| 2024 | 29 | Q1 | Q1 | — | 0–2 (0%) |
| W-L | 0–1 (0%) | 0–2 (0%) | 0–1 (0%) |
0–4 (0%) |
WTA 250
| Season | Age | ASB | HKG | HOB | HUA | JAP | TIA | W-L Win % |
|---|---|---|---|---|---|---|---|---|
| 2019 | 24 | — | — | — | — | — | Q1 | 0–1 (0%) |
| 2023 | 28 | — | — | — | Q1 | Q2 | — | 1–2 (33%) |
| 2025 | 30 | Q1 | Q2 | Q1 | — | — | — | 1–3 (25%) |
| W-L | 0–1 (0%) | 1–1 (50%) | 0–1 (0%) | 0–1 (0%) | 1–1 (50%) | 0–1 (0%) |
2–6 (25%) |
Results show the best round reached per tournament and season.
WTA Ranking History full ranking history →
Current rank
259
Career high
219
Career-high date
May 19, 2025
First Top 100
—
First Top 50
—
First Top 20
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First Top 10
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Ranking History Matrix
Frequently Asked Questions
- How old is Haruka Kaji?
- Haruka Kaji is 31 years old, born on September 25, 1994.
- Which country does Haruka Kaji represent?
- Haruka Kaji represents Japan in TennisDB's WTA records.
- Does Haruka Kaji use a one-handed or two-handed backhand?
- Haruka Kaji uses a two-handed backhand.
- Is Haruka Kaji left-handed or right-handed?
- Haruka Kaji plays right-handed.
- How many Grand Slams has Haruka Kaji won?
- Haruka Kaji has not won a Grand Slam title.
- How many WTA 1000 titles has Haruka Kaji won?
- TennisDB does not group any of Haruka Kaji's titles under the modern WTA 1000 category.
- What is Haruka Kaji's highest WTA ranking?
- Haruka Kaji's career-high WTA singles ranking is world No. 219, first achieved on May 19, 2025.
- What is Haruka Kaji's career win-loss record?
- Haruka Kaji has a career WTA singles record of 0 wins and 0 losses.
- How much career prize money has Haruka Kaji earned?
- Haruka Kaji has earned at least $297,599 in career prize money from professional tennis.