Stadium: Court 6 Round: 28 Ground: Hardcourt outdoor
| ITF W15 Ipoh | 2023/02/17 01:30 | Dabin Kim v Ayumi Koshiishi | 2-6,5-7 |
| ITF W15 Ipoh | 2023/02/16 03:55 | Sara Nayar v Ayumi Koshiishi | 4-6,3-6 |
| ITF W15 Ipoh | 2023/02/15 03:15 | Shanelle Iaconi v Ayumi Koshiishi | 2-6,2-6 |
| ITF W60 Tokyo | 2022/11/14 08:10 | Ayumi Koshiishi v Hiromi Abe | 6-7,1-6 |
| ITF W60 Tokyo | 2022/11/14 05:55 | Ayumi Koshiishi v Yukina Saigo | 6-3,6-2 |
| ITF W25 Hamamatsu | 2022/10/13 02:30 | Ayumi Koshiishi v Eri Shimizu | 6-3,4-6,2-6 |
| ITF W25 Hamamatsu | 2022/10/12 00:50 | Chihiro Muramatsu v Ayumi Koshiishi | 3-6,6-3,5-7 |
| ITF W15 Monastir | 2022/05/21 08:30 | Ayumi Morita v Ayumi Koshiishi | 6-3,6-3 |