Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF Women Hua Hin Qual | 2018/04/30 06:00 | Ange Oby Kajuru v Thasaporn Naklo | 6-2,5-7,6-3 |
| ITF Women Osaka Qual | 2018/04/09 01:00 | Ange Oby Kajuru v Risa Ushijima | 3-6,2-6 |
| ITF Women Osaka Qual | 2018/04/07 04:00 | Ange Oby Kajuru v Sakura Hosogi | 7-5,6-1 |
| 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 | Ange Oby Kajuru v Su Jeong Jang | 0-6,6-7 |
| ITF Women Nishi-Tama | 2018/03/17 01:00 | Mami Hasegawa v Ange Oby Kajuru | 6-4,2-6,6-2 |
| ITF Women Toyota Qual | 2018/03/10 08:00 | Ange Oby Kajuru v Chihiro Muramatsu | 3-6,3-6 |
| ITF Women Wesley Chapel Qual | 2018/01/22 16:00 | Sanaz Marand v Ange Oby Kajuru | 6-1,7-5 |
| ITF Women Quanzhou Qual | 2018/04/22 06:05 | Miyabi Inoue v Ying Zhang | 6-1,6-1 |
| ITF Women Quanzhou Qual | 2018/04/21 08:05 | Ying Zhang v Michika Ozeki | 3-6,6-3,6-1 |
| ITF Women Osaka Qual | 2018/04/08 02:00 | Haruna Arakawa v Ying Zhang | 7-5,6-1 |
| ITF Women Kofu Qual | 2018/03/25 01:00 | Ying Zhang v Yuki Kristina Chiang | 6-1,3-6,1-6 |
| ITF Women Kofu Qual | 2018/03/24 00:30 | Ying Zhang v Sae Haraguchi | 6-1,6-2 |
| ITF Women Hong Kong | 2018/01/02 02:00 | Ying Zhang v Hiroko Kuwata | 1-6,3-6 |
| ITF Women Hong Kong | 2017/12/31 02:00 | Ying Zhang v Dariya Detkovskaya | 7-5,6-2 |
| ITF Women Hong Kong | 2017/12/25 02:00 | Ying Zhang v Valeriya Zeleva | 4-6,6-1,3-6 |