Stadium: Court 5 Round: 54
| ITF Women Kurume Qual | 2018/05/13 06:55 | Ange Oby Kajuru v Haine Ogata | 6-3,1-6,6-4 |
| ITF Women Hua Hin Qual | 2018/05/06 02:30 | Ange Oby Kajuru v Xinyu Cai | 6-4,5-7,2-6 |
| ITF Women Hua Hin | 2018/05/01 05:30 | Ange Oby Kajuru v Ying Zhang | 2-6,4-6 |
| 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 Kurume Qual | 2018/05/13 07:00 | Aiko Yoshitomi v Ramu Ueda | 6-3,6-3 |
| ITF Women Fukuoka | 2018/05/09 05:35 | Su Jeong Jang v Aiko Yoshitomi | 6-1,6-2 |
| ITF Women Fukuoka Qual | 2018/05/08 01:00 | Olivia Tjandramulia v Aiko Yoshitomi | 6-2,6-3 |
| ITF Women Fukuoka Qual | 2018/05/07 01:00 | Aiko Yoshitomi v Utaka Kishigami | 6-1,7-6 |
| ITF Women Fukuoka Qual | 2018/05/06 02:20 | Aiko Yoshitomi v Chihiro Takayama | 6-2,6-3 |
| ITF Women Gifu Qual | 2018/04/29 09:40 | Aiko Yoshitomi v Makoto Ninomiya | 4-6,1-6 |
| ITF Women Gifu Qual | 2018/04/29 05:50 | Abigail Tere-Apisah v Aiko Yoshitomi | 6-3,4-6,4-6 |
| ITF Women Osaka Qual | 2018/04/07 05:30 | Aiko Yoshitomi v Moyuka Uchijima | 6-4,2-6,6-7 |