Stadium: Court 9 Round: 27 Ground: Hardcourt outdoor
| 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 Tainan | 2023/06/14 03:30 | Funa Kozaki v En Shuo Liang | 6-3,3-6,0-6 |
| ITF W25 Tokyo | 2023/05/29 02:50 | Funa Kozaki v Yukina Saigo | 3-6,6-4,10-12 |
| ITF W25 Tokyo | 2023/05/28 03:30 | Funa Kozaki v Kyoka Kubo | 6-4,6-2 |
| ITF W25 Karuizawa | 2023/05/25 00:30 | Funa Kozaki v Nana Kawagishi | 3-6,4-6 |
| ITF W15 Sapporo | 2023/08/03 04:00 | Ange Oby Kajuru v Rinon Okuwaki | 3-6,2-6 |
| ITF W15 Sapporo | 2023/08/01 01:00 | Rinon Okuwaki v Nana Kawagishi | 6-3,7-6 |
| ITF W15 Sapporo | 2023/07/27 01:00 | Ayumi Miyamoto v Rinon Okuwaki | 6-1,4-6,6-2 |
| ITF W15 Sapporo | 2023/07/26 01:00 | Kurumi Tamura v Rinon Okuwaki | 5-7,2-6 |
| ITF W15 Lakewood | 2023/07/14 19:20 | Malkia Ngounoue v Rinon Okuwaki | 6-3,2-6,6-3 |
| ITF W15 Lakewood | 2023/07/05 21:10 | Rinon Okuwaki v Taylor Cataldi | 5-7,5-7 |
| ITF W15 Irvine | 2023/06/29 18:00 | Eryn Cayetano v Rinon Okuwaki | 3-6,7-5,6-2 |
| ITF W15 Irvine | 2023/06/28 19:05 | Rinon Okuwaki v Alexis Nguyen | 6-2,6-1 |