Stadium: Court 12 Round: 25 Ground: Synthetic outdoor
| ITF Women Makinohara | 2017/10/13 00:30 | Shiho Akita v Chihiro Muramatsu | 6-2,6-3 |
| ITF Women Kurume | 2018/05/15 05:05 | Ivana Jorovic v Chihiro Muramatsu | 6-3,6-3 |
| ITF Women Fukuoka | 2018/05/08 04:05 | Abigail Tere-Apisah v Chihiro Muramatsu | 6-3,6-2 |
| ITF Women Gifu | 2018/05/03 03:50 | Nao Hibino v Chihiro Muramatsu | 6-3,7-6 |
| ITF Women Gifu | 2018/05/01 01:00 | Chihiro Muramatsu v Erika Sema | 7-5,3-6,7-6 |
| 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 Kurume | 2018/05/15 02:00 | Ayano Shimizu v Shiho Akita | 6-2,6-4 |
| ITF Women Fukuoka | 2018/05/08 03:25 | Amra Sadikovic v Shiho Akita | 7-6,6-2 |
| WTA Anning | 2018/05/01 07:30 | Saisai Zheng v Shiho Akita | 6-4,6-3 |
| ITF Women Osaka | 2018/04/14 01:00 | Rebecca Marino v Shiho Akita | 6-3,6-2 |
| ITF Women Osaka | 2018/04/13 01:00 | Junri Namigata v Shiho Akita | 3-6,1-6 |
| ITF Women Osaka | 2018/04/12 01:00 | Shiho Akita v Momoko Kobori | 3-6,6-2,6-2 |
| ITF Women Osaka | 2018/04/11 01:00 | Misa Eguchi v Shiho Akita | 1-6,2-6 |
| ITF Women Osaka Qual | 2018/04/09 01:00 | Shiho Akita v Dabin Kim | 7-6,6-0 |