Stadium: Court 7 Round: 54 Ground: Hardcourt indoor
| 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 | Morita, Ayumi v Ayumi Koshiishi | 6-3,6-3 |
| ITF - W15 Monastir | 2022/05/20 09:50 | Anja Wildgruber v Ayumi Koshiishi | 3-6,2-6 |
| ITF - W15 Monastir | 2022/05/19 09:35 | Sijia Wei v Ayumi Koshiishi | 4-6,1-6 |
| ITF - W15 Monastir | 2022/05/18 08:30 | Yu Shan v Ayumi Koshiishi | 2-6,4-6 |
| ITF - W15 Monastir | 2022/05/15 08:30 | Ayumi Koshiishi v Fangzhou Liu | 4-6,5-7 |
| ITF - W15 Monastir | 2022/05/14 08:30 | Pospelova, Aleksandra v Ayumi Koshiishi | 1-6,4-6 |
| ITF W25 Yokohama | 2022/11/07 05:05 | Yukina Saigo v Sawayanagi, Riko | 1-6,4-6 |
| ITF W25 Makinohara | 2022/10/03 00:30 | Yukina Saigo v Oshino, Suzuho | 5-7,1-6 |
| ITF W25 Nanao | 2022/09/25 01:00 | Yukina Saigo v Rio Tsuda | 3-6,2-6 |
| ITF W60 Prague | 2022/08/28 11:40 | Yukina Saigo v Alexandra Osborne | 2-6,6-3,4-10 |
| ITF W25 Mogyorod | 2022/08/17 07:55 | Julia Riera v Yukina Saigo | 6-1,0-6,6-1 |
| ITF W25 Mogyorod | 2022/08/15 09:00 | Yukina Saigo v Lidia Encheva | 6-7,6-4,10-4 |
| ITF W25 Danderyd | 2022/08/10 09:45 | Kajsa Rinaldo Persson v Yukina Saigo | 6-2,6-1 |
| ITF W25 Danderyd | 2022/08/09 10:15 | Yukina Saigo v Stina Larsson | 6-2,6-1 |