Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF W15 Monastir | 2022/05/20 09:50 | Anja Wildgruber v Ayumi Koshiishi | 3-6,2-6 |
| ITF W15 Kawaguchi | 2023/06/17 01:00 | Natsuki Yoshimoto v Ayumi Koshiishi | 6-0,6-0 |
| ITF W15 Kawaguchi | 2023/06/16 01:35 | Ayumi Koshiishi v Yuika Ikawa | 6-3,4-6,6-1 |
| ITF W15 Kawaguchi | 2023/06/15 03:35 | Ayumi Koshiishi v Rio Tsuda | 6-4,6-1 |
| ITF W15 Kawaguchi | 2023/06/14 05:35 | Ayumi Koshiishi v Kisa Yoshioka | 7-6,6-3 |
| ITF W25 Tokio | 2023/05/31 01:00 | Yukina Saigo v Ayumi Koshiishi | 6-4,6-1 |
| ITF W25 Goyang | 2023/05/22 01:00 | Ayumi Koshiishi v Yi Tsen Cho | 2-6,0-6 |
| ITF W25 Goyang | 2023/05/21 01:00 | Ayumi Koshiishi v Eun Ji Lee | 6-3,6-3 |
| ITF W25 Incheon | 2023/05/15 06:40 | Ayumi Koshiishi v Yu Jin Ahn | 4-6,3-6 |
| ITF W15 Monastir | 2023/06/21 08:30 | Anja Wildgruber v Lamis Alhussein Abdel Aziz | 5-7,3-6 |
| ITF W15 Monastir | 2023/06/18 09:00 | Joanna Zawadzka v Anja Wildgruber | 2-6,5-7 |
| ITF W15 Monastir | 2023/06/17 09:00 | Anja Wildgruber v Meng Yi Chen | 6-4,7-5 |
| ITF W15 Monastir | 2023/06/16 09:00 | Anja Wildgruber v Julita Saner | 7-6,6-4 |
| ITF W15 Monastir | 2023/06/14 08:30 | Anja Wildgruber v Carola Cavelli | 6-3,6-2 |
| ITF W25 La Marsa | 2023/06/01 14:50 | Sahaja Yamalapalli v Anja Wildgruber | 6-1,6-2 |
| ITF W25 La Marsa | 2023/05/31 13:35 | Chiraz Bechri v Anja Wildgruber | 3-6,4-6 |
| ITF W25 La Marsa | 2023/05/29 09:00 | Anja Wildgruber v Denise Torrealba | 6-2,6-4 |