Stadium: Court 10 Round: 26 Ground: Hardcourt outdoor
| ITF W15 Osaka | 2023/04/19 05:00 | Eri Shimizu v Ramu Ueda | 6-4,0-6,6-2 |
| ITF W25 Osaka | 2023/04/10 04:40 | Eri Shimizu v Aoi Ito | 2-6,0-6 |
| ITF W25 Osaka | 2023/04/10 01:00 | Eri Shimizu v Honori Koyama | 7-5,6-0 |
| ITF W25 Osaka | 2023/04/09 01:00 | Eri Shimizu v Natsuho Arakawa | 6-4,6-0 |
| ITF W25 Kashiwa | 2023/04/03 01:00 | Eri Shimizu v Naho Sato | 6-7,3-6 |
| ITF W25 Kofu | 2023/03/29 00:30 | Eri Shimizu v Chihiro Muramatsu | 2-6,2-6 |
| ITF W40 Bengaluru | 2023/03/05 04:00 | Eri Shimizu v Akiko Omae | 1-6,7-5,1-6 |
| ITF W25 Bengaluru | 2023/03/03 06:50 | Misaki Matsuda v Eri Shimizu | 6-2,6-4 |
| ITF W15 Osaka | 2023/04/19 05:00 | Funa Kozaki v Risa Ushijima | 4-6,6-2,1-6 |
| ITF W25 Osaka | 2023/04/18 01:00 | Risa Ushijima v Chihiro Takayama | 6-2,6-3 |
| ITF W25 Osaka | 2023/04/17 02:00 | Risa Ushijima v Hikari Yamamoto | 6-4,6-0 |
| ITF W25 Osaka | 2023/04/10 01:00 | Risa Ushijima v Aoi Ito | 5-7,5-7 |
| ITF W25 Osaka | 2023/04/09 03:00 | Risa Ushijima v Chihiro Takayama | 6-4,6-3 |
| ITF W25 Jakarta | 2023/03/20 06:20 | Sahaja Yamalapalli v Risa Ushijima | 6-1,6-3 |
| ITF W25 Jakarta | 2023/03/19 04:00 | Risa Ushijima v Mio Mushika | 6-2,6-1 |
| ITF W15 Jakarta | 2023/03/18 02:30 | Risa Ushijima v Anastasia Kovaleva | 2-6,5-7 |