Stadion: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF Damen - W25 - Kashiwa | 2023/04/02 00:30 | Rinon Okuwaki v Georgina Garcia-Perez | 3-6,4-6 |
| ITF Damen - W25 - Kofu | 2023/03/28 00:30 | Rinon Okuwaki v Yu-Yun Li | 6-7,3-6 |
| ITF Damen - W25 - Kofu | 2023/03/27 02:30 | Nagomi Higashitani v Rinon Okuwaki | 7-5,2-6,3-10 |
| ITF Frauen - W15 - Hinode | 2023/03/21 03:00 | Rinon Okuwaki v Chia Yi Tsao | 4-6,4-6 |
| ITF Damen - W15 - Kuching | 2023/03/01 10:05 | Nagomi Higashitani v Rinon Okuwaki | 6-4,0-6,6-3 |
| ITF Damen - W15 - Kuching | 2023/02/28 01:00 | Rinon Okuwaki v Fitriana Sabrina | 2-6,6-4,10-0 |
| ITF Frauen - W15 - Kuala Lumpur | 2023/02/23 01:30 | Rinon Okuwaki v Fang Ying Xun | 5-7,2-6 |
| ITF Frauen - W15 - Kuala Lumpur | 2023/02/22 01:30 | Rinon Okuwaki v Nao Phang Ziyi | 6-1,6-4 |
| ITF Damen - W25 - Kofu | 2023/03/28 00:30 | Eri Hozumi v Kanako Osafune | 6-0,6-1 |
| ITF Damen - W25 - Kofu | 2023/03/27 02:30 | Shiori Kaneyama v Kanako Osafune | 4-6,3-6 |
| ITF Frauen - W15 - Hinode | 2023/03/22 04:30 | Kanako Osafune v Natsumi Kawaguchi | 3-6,1-6 |
| ITF Damen - W15 - Kuching | 2023/02/28 02:30 | Kanako Osafune v Ayaka Ozeki | 2-6,4-6 |
| ITF Frauen - W15 - Kuala Lumpur | 2023/02/22 01:30 | Deria Nur Haliza v Kanako Osafune | 6-2,6-2 |
| ITF Frauen - W15 - Kuala Lumpur | 2023/02/21 01:00 | Daria Domova v Kanako Osafune | 4-6,3-6 |
| ITF Frauen - W15 - Kuala Lumpur | 2023/02/20 06:00 | Fitriana Sabrina v Kanako Osafune | 3-6,1-6 |
| ITF Damen - W15 - Ipoh | 2023/02/13 08:00 | Kanako Osafune v Li Hsin Lin | 2-6,3-6 |