Stadium: Court 1 Round: 29 Ground: Hardcourt outdoor
| ITF - W15 Monastir | 2021/04/27 09:30 | Olga Helmi v Ayumi Koshiishi | 6-4,6-7,6-10 |
| ITF - W15 Monastir | 2021/05/22 08:30 | Sakura Hosogi v Ayumi Koshiishi | 6-2,1-6,3-6 |
| ITF - W15 Monastir | 2021/05/21 08:25 | Angelica Raggi v Ayumi Koshiishi | 4-6,2-6 |
| ITF - W15 Monastir | 2021/05/20 10:10 | Ayumi Koshiishi v Chiara Scholl | 6-2,6-3 |
| ITF - W15 Monastir | 2021/05/19 08:30 | Jasmijn Gimbrere v Ayumi Koshiishi | 4-6,1-6 |
| ITF - W15 Monastir | 2021/05/11 08:30 | Erika Sema v Ayumi Koshiishi | 6-3,7-6 |
| ITF - W15 Monastir | 2021/05/07 11:40 | Imanishi, Miharu v Ayumi Koshiishi | 4-6,6-2,6-4 |
| ITF - W15 Monastir | 2021/05/06 10:20 | Ayumi Koshiishi v Ainitdinova, Gozal | 6-1,6-1 |
| ITF - W15 Monastir | 2021/05/04 09:00 | Ayumi Koshiishi v Olivia Gram | 6-2,6-1 |
| ITF - W15 Monastir | 2021/05/22 08:30 | Olga Helmi v Nadine Keller | 6-2,6-2 |
| ITF - W15 Monastir | 2021/05/21 10:00 | Maria Paulina Perez Garcia v Olga Helmi | 0-6,0-6 |
| ITF - W15 Monastir | 2021/05/20 08:30 | Davis, Emma v Olga Helmi | 6-7,6-3,3-6 |
| ITF - W15 Monastir | 2021/05/18 08:25 | Olga Helmi v Sarah Beth Grey | 7-5,5-7,6-3 |
| ITF - W15 Monastir | 2021/05/15 08:30 | Olga Helmi v Anastasia Kulikova | 5-7,3-6 |
| ITF - W15 Monastir | 2021/05/14 08:30 | Erika Sema v Olga Helmi | 2-6,6-3,4-6 |
| ITF - W15 Monastir | 2021/05/13 10:00 | Olga Helmi v Dasha Ivanova | 6-4,6-4 |
| ITF - W15 Monastir | 2021/05/11 10:55 | Lauren Proctor v Olga Helmi | 3-6,6-4,2-6 |