Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| ITF - W15 Sapporo | 2023/08/01 01:00 | Kamonwan Yodpetch v Ayumi Miyamoto | 5-7,1-6 |
| ITF - W15 Sapporo | 2023/07/31 06:00 | Azuna Ichioka v Ayumi Miyamoto | 2-6,2-6 |
| ITF - W15 Sapporo | 2023/07/29 02:00 | Mei Hasegawa v Ayumi Miyamoto | 6-3,4-6,6-4 |
| 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 06:25 | Funa Kozaki v Ayumi Miyamoto | 6-0,2-6,1-6 |
| ITF - W15 Sapporo | 2023/07/25 02:00 | Ayumi Miyamoto v Nagisa Morimoto | 6-2,6-2 |
| ITF - W15 Sapporo | 2023/07/24 01:00 | Ayumi Miyamoto v Reina Goto | 6-1,6-2 |
| ITF - W15 Kawaguchi | 2023/06/14 00:00 | Akiko Omae v Ayumi Miyamoto | 6-3,6-3 |