Stadium: Court 2 Round: 25 Ground: Synthetic outdoor
| ITF W25 Makinohara | 2023/10/07 00:55 | Rina Saigo v Sara Saito | 2-6,3-6 |
| ITF W25 Makinohara | 2023/10/06 00:30 | Rina Saigo v Hiromi Abe | 3-6,6-3,6-4 |
| ITF W25 Makinohara | 2023/10/05 00:30 | Rina Saigo v Funa Kozaki | 6-3,6-1 |
| ITF W25 Makinohara | 2023/10/04 02:00 | Rina Saigo v Matsumoto, Ari | 6-4,6-4 |
| WTA Tokyo | 2023/09/25 05:00 | Cristina Bucsa v Rina Saigo | 6-1,6-2 |
| WTA Tokyo | 2023/09/24 01:00 | Sakura Hosogi v Rina Saigo | 1-6,3-6 |
| WTA Tokyo | 2023/09/23 03:00 | Giuliana Olmos v Rina Saigo | 6-7,3-6 |
| ITF W40 Skopje | 2023/09/14 09:45 | Lina Gjorcheska v Rina Saigo | 6-7,6-2,6-2 |
| ITF W25 Hamamatsu | 2023/10/09 06:00 | Ayaka Ozeki v Mushika, Chiho | 6-4,6-7,10-6 |
| ITF W25 Makinohara | 2023/10/04 06:15 | Ayaka Ozeki v Momoko Kobori | 4-6,6-4,2-6 |
| ITF W25 Makinohara | 2023/10/03 00:25 | Yukina Saigo v Ayaka Ozeki | 6-4,0-6,4-10 |
| ITF W40 Nanao | 2023/09/24 01:00 | Ayaka Ozeki v Aely Arai | 3-6,6-0,4-6 |
| Kyoto, Qualifications Simples W-ITF-JPN-15A | 2023/09/20 05:00 | Oshino, Suzuho v Ayaka Ozeki | 5-7,6-3,7-6 |
| Kyoto, Qualifications Simples W-ITF-JPN-15A | 2023/09/18 00:00 | Ayaka Ozeki v Hsieh, Yu-Chieh | 7-5,1-6,10-6 |
| UTR Pro Noda Women | 2023/08/25 04:20 | Ayaka Ozeki v Honami Sodeyama | 6-1,0-6,6-3 |
| UTR Pro Noda Women | 2023/08/22 06:12 | Ayaka Ozeki v Mano Ito | 6-4,6-2 |