Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Porto | 2021/06/22 10:25 | Stokke, Melanie v Olga Helmi | 3-6,1-6 |
| ITF W25 Porto | 2021/06/21 18:00 | Olga Parres Azcoitia v Olga Helmi | 0-6,5-7 |
| ITF W25 Porto | 2021/06/20 12:00 | Balancho, Barbara v Olga Helmi | 0-6,0-6 |
| ITF - W15 Monastir | 2021/05/23 08:30 | Ayumi Koshiishi v Olga Helmi | 3-6,2-6 |
| 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 W25 Figueira Da Foz | 2021/06/15 12:25 | Ayano Shimizu v Ushijima, Risa | 6-2,6-0 |
| ITF W25 Montemor-O-Novo | 2021/06/09 09:00 | Guttierez Carrasco, Maria v Ushijima, Risa | 6-3,6-1 |
| ITF - W15 Monastir | 2021/03/24 09:55 | Ushijima, Risa v Angelica Raggi | 3-6,0-6 |
| ITF - W15 Monastir | 2021/03/16 08:30 | Chiara Scholl v Ushijima, Risa | 3-6,6-4,6-4 |
| ITF - W15 Monastir | 2021/03/09 13:00 | Lantigua de La Nuez, Ana v Ushijima, Risa | 7-6,6-4 |
| ITF - W15 Monastir | 2021/03/05 13:05 | Sinja Kraus v Ushijima, Risa | 6-4,7-5 |
| ITF - W15 Monastir | 2021/03/04 09:30 | Hering, Katharina v Ushijima, Risa | 6-7,3-6 |
| ITF - W15 Monastir | 2021/03/03 08:30 | Merel Hoedt v Ushijima, Risa | 4-6,1-6 |