Stadium: Court 8 Round: 62 Ground: Hardcourt outdoor
| 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 W25 Bengaluru | 2023/03/02 09:15 | Eri Shimizu v Vaidehi Chaudhari | 6-4,6-3 |
| ITF W25 Bengaluru | 2023/03/01 06:30 | Aliona Falei v Eri Shimizu | 6-4,5-7,6-7 |
| ITF W25 Bengaluru | 2023/02/27 08:20 | Eri Shimizu v Tina Nadine Smith | 7-6,6-3 |
| ITF W15 Hinode | 2023/03/21 01:00 | Chisato Kanemaki v Honori Koyama | 2-6,1-6 |
| UTR Pro Miki Women | 2023/02/19 02:54 | Honori Koyama v Kaho Oyama | 4-6,6-2,6-0 |
| UTR Pro Miki Women | 2023/02/18 08:37 | Kaili Demi Teso v Honori Koyama | 5-7,1-5 |
| UTR Pro Miki Women | 2023/02/17 04:38 | Kaede Tajima v Honori Koyama | 6-3,3-6,6-3 |
| UTR Pro Miki Women | 2023/02/16 05:00 | Yuna Ohashi v Honori Koyama | 7-6,7-6 |
| UTR Pro Miki Women | 2023/02/13 02:33 | Hinata Chiba v Honori Koyama | 7-6,7-6 |
| ITF W25 Nanao | 2022/09/26 02:35 | Honori Koyama v Mua Shigeta | 3-6,4-6 |
| ITF W25 Nanao | 2022/09/25 01:00 | Mei Hasegawa v Honori Koyama | 3-6,6-3,12-14 |