Stadium: Court 9 Round: 25 Ground: Hardcourt indoor
| ITF W15 Lousada | 2021/11/29 13:00 | Marine Szostak v Gabriella Mujan | 6-2,6-0 |
| ITF W15 Lousada | 2021/11/28 16:30 | Marine Szostak v Eva A Sande | 6-2,6-2 |
| ITF W15 Lousada | 2021/11/23 15:20 | Yeon Woo Ku v Marine Szostak | 6-4,6-0 |
| ITF W15 Lousada | 2021/11/22 10:00 | Marine Szostak v Milla Sequeira | 6-3,6-3 |
| ITF W15 Lousada | 2021/11/21 11:30 | Marine Szostak v Naia Mercadier | 6-2,6-1 |
| ITF W80 Poitiers | 2021/10/24 18:35 | Sarah Beth Grey v Marine Szostak | 6-4,7-6 |
| ITF W15 Dijon | 2021/09/14 07:30 | Marine Szostak v Valentina Ryser | 4-6,7-5,3-6 |
| ITF W15 Dijon | 2021/09/13 10:00 | Marine Szostak v Veronika Podrez | 6-3,6-4 |
| ITF W15 Kazaň | 2021/11/25 07:00 | Tatiana Prozorova v Daria Kudashova | 7-6,6-7,4-6 |
| ITF W15 Kazaň | 2021/11/24 12:10 | Tatiana Prozorova v Sofia Vaynberg | 6-1,6-2 |
| ITF W15 Helsingborg | 2021/11/09 10:35 | Melis Yasar v Tatiana Prozorova | 6-4,7-5 |
| ITF W15 Moskva | 2021/07/21 10:25 | Tatiana Prozorova v Angelika Shapovalova | 7-5,6-7,3-6 |
| ITF W15 Sharm El Sheikh | 2021/03/31 07:00 | Jenna Defalco v Tatiana Prozorova | 7-5,6-2 |
| ITF W15 Sharm El Sheikh | 2021/03/24 07:00 | Ya-Hsuan Lee v Tatiana Prozorova | 7-5,6-3 |