Home History
| ITF Women Toyota | 2018/03/14 01:00 | Risa Ushijima v Ryoko Ikeda | 6-2,6-3 |
| ITF Women Kofu | 2017/06/14 05:00 | Na-Lae Han v Ryoko Ikeda | 6-3,6-2 |
Away History
| ITF Women Kashiwa Qual | 2018/04/02 01:00 | Haruka Kaji v Alina Silich | 2-6,5-7 |
| ITF Women Kashiwa Qual | 2018/04/01 04:30 | Haruka Kaji v Ange Oby Kajuru | 6-4,6-0 |
| ITF Women Kofu | 2018/03/27 01:00 | Haruka Kaji v Fangzhou Liu | 3-6,2-6 |
| ITF Women Toyota | 2018/03/13 01:00 | Dejana Radanovic v Haruka Kaji | 6-3,7-5 |
| ITF Women Yokohama | 2018/03/07 01:00 | Haruka Kaji v Veronika Kudermetova | 3-6,2-6 |
| WTA Taipei Qual | 2018/01/27 08:50 | Haruka Kaji v Dalila Jakupovic | 5-7,2-6 |
| ITF Women Hong Kong | 2018/01/03 02:00 | Kwan Yau Ng v Haruka Kaji | 6-2,6-3 |
| ITF Women Hong Kong | 2018/01/02 03:50 | Lulu Sun v Haruka Kaji | 5-7,3-6 |