Stadium: Vodice 4 Round: 62 Ground: Clay
| ITF W25 Calvi | 2021/04/12 12:30 | Gaelle Desperrier v Marine Szostak | 6-1,6-4 |
| ITF W25 Calvi | 2021/04/11 10:45 | Marine Szostak v Agostina Breval | 6-0,6-3 |
| ITF - W15 Gonesse | 2021/03/15 11:35 | Suvrijn, Jade v Marine Szostak | 6-2,6-2 |
| ITF - W15 Gonesse | 2021/03/14 13:50 | Marine Szostak v Tomera, Joanna | 6-4,2-6,10-7 |
| Grenoble, Singles Qualifying W-ITF-FRA-04A | 2021/02/09 08:25 | Pemra Ozgen v Marine Szostak | 6-4,6-4 |
| ITF - W15 Manacor | 2021/01/31 12:00 | Valentina Ryser v Marine Szostak | 4-6,6-4,10-8 |
| ITF - W15 Manacor | 2021/01/26 11:00 | Iva Primorac v Marine Szostak | 6-2,6-3 |
| ITF - W15 Manacor | 2021/01/19 09:00 | Oksana Selekhmeteva v Marine Szostak | 6-0,7-6 |
| ITF - W15 Gonesse | 2021/03/14 15:25 | Suvrijn, Jade v Lancelot, Olympe | 6-3,6-0 |
| ITF W15 Amiens | 2021/03/08 15:30 | Tholey, Lea v Lancelot, Olympe | 6-1,6-7,10-6 |
| ITF W15 Amiens | 2021/03/08 12:05 | Bertoloni, Anita v Lancelot, Olympe | 5-7,3-6 |
| ITF W15 Amiens | 2021/03/07 17:40 | Lamarque, Manon v Lancelot, Olympe | 0-6,1-6 |
| UTR Pro Tennis Series France Women | 2020/09/05 11:30 | Caroline Romeo v Lancelot, Olympe | 6-0,6-4 |
| UTR Pro Tennis Series France Women | 2020/09/04 11:30 | Ekaterina Makarova v Lancelot, Olympe | 6-4,6-3 |
| UTR Pro Tennis Series France Women | 2020/09/04 07:00 | Caroline Romeo v Lancelot, Olympe | 6-1,7-5 |
| UTR Pro Tennis Series France Women | 2020/09/02 09:30 | Lancelot, Olympe v Le Bihan, Kelia | 5-7,6-7 |