| ITF Women Sangju | 2018/06/07 01:00 | Chang Liu v Eri Shimizu | 6-2,6-1 |
| ITF Women Sangju | 2018/06/06 03:00 | Eunji Lim v Eri Shimizu | 3-6,1-6 |
| ITF Women Sangju Qual | 2018/06/04 01:00 | Yeong Won Jeong v Eri Shimizu | 5-7,4-6 |
| ITF Women Sangju Qual | 2018/06/03 02:00 | Eri Shimizu v Satsuki Koike | 2-6,7-5,6-3 |
| ITF Women Karuizawa | 2018/05/23 01:00 | Miyabi Inoue v Eri Shimizu | 6-2,6-4 |
| ITF Women Karuizawa Qual | 2018/05/21 02:20 | Megumi Nishimoto v Eri Shimizu | 2-6,6-7 |
| ITF Women Nishi-Tama | 2018/03/18 01:00 | Eri Shimizu v Michiru Furuya | 3-6,4-6 |
| ITF Women Nishi-Tama | 2018/03/17 04:00 | Marina Kurosu v Eri Shimizu | 5-7,2-6 |