Stadium: Court 9 Round: 25 Ground: Synthetic outdoor
| ITF - W40 Nanao | 2023/09/25 01:00 | Funa Kozaki v Aely Arai | 6-4,6-3 |
| ITF - W100 Tokyo | 2023/09/03 01:00 | Fernanda Contreras Gomez v Funa Kozaki | 6-0,6-1 |
| ITF - W15 Sapporo | 2023/08/09 02:30 | Funa Kozaki v Man Ying Maggie Ng | 6-2,6-1 |
| ITF - W15 Sapporo | 2023/08/04 00:55 | Funa Kozaki v Rinon Okuwaki | 4-6,5-7 |
| ITF - W15 Sapporo | 2023/08/03 04:00 | Funa Kozaki v Gio Jang | 6-1,6-2 |
| ITF - W15 Sapporo | 2023/08/02 01:00 | Ya-Hsuan Lee v Funa Kozaki | 3-6,2-6 |
| ITF - W15 Sapporo | 2023/07/26 06:25 | Funa Kozaki v Ayumi Miyamoto | 6-0,2-6,1-6 |
| ITF - W25 Tainan | 2023/06/21 01:50 | Yu-Chin Tsai v Funa Kozaki | 6-4,6-4 |
| ITF W25 - Roehampton | 2023/08/08 13:50 | Rutuja Bhosale v Eri Shimizu | 6-1,4-6,6-3 |
| ITF W25 Foxhills | 2023/08/02 11:40 | Tamira Paszek v Eri Shimizu | 6-3,6-3 |
| ITF W25 Foxhills | 2023/08/01 11:45 | Eri Shimizu v Sofia Johnson | 2-6,6-4,6-0 |
| ITF - W25 Tainan | 2023/06/22 03:25 | Chia Yi Tsao v Eri Shimizu | 2-6,6-2,6-3 |
| ITF - W25 Tainan | 2023/06/21 04:00 | Yuka Hosoki v Eri Shimizu | 3-6,2-6 |
| ITF - W25 Tainan | 2023/06/14 01:50 | Chia Yi Tsao v Eri Shimizu | 7-6,6-1 |
| ITF - W25 Tokyo | 2023/06/03 03:55 | Johanne C Svendsen v Eri Shimizu | 5-7,6-3,6-3 |
| ITF - W25 Tokyo | 2023/06/02 02:45 | Mayuka Aikawa v Eri Shimizu | 2-6,6-2,3-6 |