Stadium: Court 5 Round: 54 Ground: Clay
| ITF W25 Saint Palais Sur Mer | 2021/09/06 11:20 | Emeline Dartron v Marine Szostak | 6-3,3-6,15-13 |
| ITF W25 Saint Palais Sur Mer | 2021/09/05 13:00 | Luisina Giovannini v Marine Szostak | 2-6,1-6 |
| ITF W15 Aix-en-Provence | 2021/09/02 13:55 | Marine Szostak v Margaux Rouvroy | 3-6,2-6 |
| ITF W15 Aix-en-Provence | 2021/09/01 11:55 | Marine Szostak v Cosima T Calinescu | 6-2,6-3 |
| ITF W15 Aix-en-Provence | 2021/08/31 07:55 | Marine Szostak v Zoe Bourbotte | 6-1,6-2 |
| ITF W25 Les Contamines | 2021/07/20 10:35 | Naiktha Bains v Marine Szostak | 6-4,7-5 |
| ITF W60 Montpellier | 2021/06/27 14:25 | Marine Szostak v Sada Nahimana | 2-6,4-6 |
| ITF W25 Perigueux | 2021/06/21 11:25 | Emeline Dartron v Marine Szostak | 6-2,6-4 |
| ITF W15 Dijon | 2021/09/12 12:05 | Veronika Podrez v Joanna Tomera | 3-6,6-4,10-8 |