Stadium: Court B6 Round: 25
| ITF Women Osaka Qual | 2018/04/09 01:00 | Chihiro Muramatsu v Rebecca Marino | 4-6,3-6 |
| ITF Women Osaka Qual | 2018/04/08 02:00 | Chihiro Muramatsu v Suzuho Oshino | 6-1,6-1 |
| ITF Women Osaka Qual | 2018/04/07 01:30 | Chihiro Muramatsu v Megumi Nishimoto | 6-1,6-1 |
| ITF Women Kashiwa | 2018/04/05 02:50 | Ankita Raina v Chihiro Muramatsu | 6-2,6-1 |
| ITF Women Kashiwa | 2018/04/04 01:00 | Chihiro Muramatsu v Alina Silich | 4-6,6-1,6-4 |
| ITF Women Kashiwa Qual | 2018/04/02 01:00 | Karman Kaur Thandi v Chihiro Muramatsu | 5-7,6-7 |
| ITF Women Kashiwa Qual | 2018/04/01 02:00 | Rika Fujiwara v Chihiro Muramatsu | 6-4,0-6,3-6 |
| ITF Women Kofu | 2018/03/28 02:40 | Chihiro Muramatsu v Saisai Zheng | 6-7,5-7 |
| ITF Women Quanzhou | 2018/04/25 03:00 | Luksika Kumkhum v Erika Sema | 5-7,6-2,6-3 |
| ITF Women Quanzhou | 2018/04/23 05:25 | Yunqi He v Erika Sema | 1-6,1-6 |
| ITF Women Osaka | 2018/04/10 03:15 | Erika Sema v Ksenia Lykina | 1-6,2-6 |
| ITF Women Kashiwa | 2018/04/05 01:00 | Erika Sema v Destanee Aiava | 3-6,4-6 |
| ITF Women Kashiwa | 2018/04/03 01:00 | Peangtarn Plipuech v Erika Sema | 3-6,3-6 |
| ITF Women Kofu Qual | 2018/03/26 01:00 | Erika Sema v Alina Silich | 5-7,6-3,6-7 |
| ITF Women Kofu Qual | 2018/03/25 02:30 | Erika Sema v Mitsumi Kawasaki | 6-0,6-2 |
| ITF Women Kofu Qual | 2018/03/24 03:00 | Erika Sema v Kei Kato | 4-6,6-3,6-0 |