Head to Head
| ITF Women Hong Kong | 2017/12/29 02:00 | Ling Zhang v Haruka Kaji | 6-4,4-6,0-6 |
Home History
| ITF Women Quanzhou | 2018/04/25 03:00 | Haruka Kaji v Xinyun Han | 4-6,6-3,3-6 |
| ITF Women Quanzhou | 2018/04/23 05:45 | Haruka Kaji v Fang Ying Xun | 6-3,6-0 |
| ITF Women Osaka | 2018/04/12 03:30 | Junri Namigata v Haruka Kaji | 6-7,6-3,6-4 |
| ITF Women Osaka | 2018/04/10 05:15 | Ryoko Ikeda v Haruka Kaji | 3-6,3-6 |
| 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 |
Away History
| ITF Women Quanzhou Qual | 2018/04/21 04:30 | Ling Zhang v Shuyue Ma | 4-6,6-0,3-6 |
| WTA Zhengzhou Qual | 2018/04/15 03:00 | Ankita Raina v Ling Zhang | 7-6,6-7,6-3 |
| WTA Zhengzhou Qual | 2018/04/14 03:00 | Meiling Wang v Ling Zhang | 1-6,6-0,5-7 |
| ITF Women Kashiwa | 2018/04/03 02:15 | Junri Namigata v Ling Zhang | 2-6,6-3,6-4 |
| ITF Women Kashiwa Qual | 2018/04/02 01:00 | Ling Zhang v Shiho Akita | 7-5,2-6,6-3 |
| ITF Women Kashiwa Qual | 2018/04/01 03:00 | Ling Zhang v Rebecca Marino | 7-6,7-6 |
| ITF Women Kofu Qual | 2018/03/24 04:00 | Ling Zhang v Mami Hasegawa | 6-4,4-6,6-7 |
| ITF Women Nishi-Tama | 2018/03/23 01:00 | Na Ri Kim v Ling Zhang | 6-3,6-2 |