# Haruka Kaji

Haruka Kaji (加治 遥, Kaji Haruka, born 25 September 1994) is a Japanese professional tennis player.
She has career-high WTA rankings of 213 in singles, achieved on 25 September 2023, and 131 in doubles, set on 3 February 2020.
Kaji won her biggest ITF title to date at the 2019 Challenger de Granby, in the doubles tournament, partnering Ingrid Neel.

## ITF Circuit finals
### Singles: 13 (6 titles, 7 runner–ups)

* Legend
* W50 tournaments
* W25/35 tournaments
* W10/15 tournaments
* Finals by surface
* Hard (4–6)
* Grass (0–1)
* Carpet (2–0)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | Dec 2015 | ITF Hong Kong | W10 | Hard | Tori Kinard | 6–1, 3–6, 2–2 ret. |
| Loss | 1–1 | Oct 2016 | ITF Tarakan, Indonesia | W10 | Hard (i) | Kaitlyn Christian | 7–5, 3–6, 2–6 |
| Win | 2–1 | Jun 2017 | Kofu Women's Cup, Japan | W25 | Hard | Olivia Tjandramulia | 6–1, 6–3 |
| Loss | 2–2 | Jun 2017 | ITF Taipei, Taiwan | W15 | Hard | Lee Pei-chi | 6–3, 5–7, 2–6 |
| Win | 3–2 | Aug 2017 | ITF Nonthaburi, Thailand | W15 | Hard | Lee Hua-chen | 6–4, 6–1 |
| Win | 4–2 | Dec 2017 | ITF Hong Kong | W15 | Hard | Hiroko Kuwata | 4–6, 6–2, 7–6$^{(4)}$ |
| Loss | 4–3 | Aug 2019 | ITF Tsukuba, Japan | W25 | Hard (i) | Akiko Omae | 6–3, 6–7$^{(5)}$, 3–6 |
| Loss | 4–4 | Sep 2019 | ITF Kyoto, Japan | W25 | Hard (i) | Lee Ya-hsuan | 3–6, 4–6 |
| Win | 5–4 | Oct 2022 | Noto International, Japan | W25 | Carpet | Momoko Kobori | 3–6, 6–3, 6–3 |
| Win | 6–4 | Oct 2022 | ITF Hamamatsu, Japan | W25 | Carpet | Ikumi Yamazaki | 1–1 ret. |
| Loss | 6–5 | May 2023 | ITF Karuizawa, Japan | W25 | Grass | Wang Yafan | 0–6, 1–6 |
| Loss | 6–6 | Aug 2024 | ITF Roehampton, United Kingdom | W35 | Hard | Sonay Kartal | 3–6, 1–6 |
| Loss | 6–7 | Aug 2024 | ITF Ourense, Spain | W50 | Hard | Alina Charaeva | 6–7$^{(7)}$, 1–6 |

### Doubles: 10 (6 titles, 4 runner–ups)

* Legend
* W100 tournaments
* W80 tournaments
* W25 tournaments
* W10 tournaments
* Finals by surface
* Hard (6–4)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Mar 2015 | ITF Kofu, Japan | W10 | Hard | Aiko Yoshitomi | Rika Fujiwara Akari Inoue | 6–2, 6–3 |
| Loss | 1–1 | Dec 2015 | ITF Hong Kong | W10 | Hard | Mana Ayukawa | Emma Laine Yukina Saigo | w/o |
| Win | 2–1 | Jun 2016 | ITF Kaohsiung, Taiwan | W10 | Hard | Erina Hayashi | Chen Pei-hsuan Wu Fang-hsien | 6–4, 3–6, [10–7] |
| Win | 3–1 | Jun 2018 | ITF Singapore | W25 | Hard | Akiko Omae | Han Na-lae Lee So-ra | 7–5, 6–2 |
| Win | 4–1 | Feb 2019 | ITF Jodhpur, India | W25 | Hard | Mana Ayukawa | Eri Hozumi Miyabi Inoue | 7–6$^{(4)}$, 4–6, [10–5] |
| Loss | 4–2 | May 2019 | ITF Nonthaburi, Thailand | W25 | Hard | Risa Ozaki | Aleksandrina Naydenova İpek Soylu | 1–6, 3–6 |
| Win | 5–2 | Jun 2019 | ITF Jakarta, Indonesia | W25 | Hard | Junri Namigata | Beatrice Gumulya Jessy Rompies | 6–2, 4–6, [10–7] |
| Loss | 5–3 | Jul 2019 | ITF Saskatoon, Canada | W25 | Hard | Momoko Kobori | Hsu Chieh-yu Marcela Zacarías | 3–6, 2–6 |
| Win | 6–3 | Jul 2019 | Challenger de Granby, Canada | W80 | Hard | Junri Namigata | Quinn Gleason Ingrid Neel | 7–6$^{(5)}$, 5–7, [10–8] |
| Loss | 6–4 | Nov 2019 | ITF Tokyo Open, Japan | W100 | Hard | Junri Namigata | Choi Ji-hee Han Na-lae | 3–6, 3–6 |