Stadium: Court 6 Round: 54 Ground: Clay
| ITF W25 Calvi | 2021/04/11 11:35 | Greta Schieroni v Juliette Mazzoni | 6-1,6-3 |
| ITF - W15 Le Havre | 2021/03/21 09:35 | Diana Martynov v Juliette Mazzoni | 6-2,6-1 |
| ITF - W15 Gonesse | 2021/03/14 18:30 | Caroline Vernet v Juliette Mazzoni | 6-3,6-3 |
| ITF W15 Amiens | 2021/03/07 12:45 | Juliette Mazzoni v Fiona Codino | 1-6,3-6 |
| ITF W25 Poitiers | 2021/02/22 09:30 | Marina Bassols Ribera v Juliette Mazzoni | 6-0,6-2 |
| ITF W15 Madrid | 2020/12/06 13:00 | Juliette Mazzoni v Rebeca Pereira | 4-6,2-6 |
| ITF Women Castellon | 2020/11/01 11:30 | Juliette Mazzoni v Lohan, Sinead | 2-6,4-6 |
| ITF W15 Funchal | 2020/10/11 13:00 | Yepifanova, Alexandra v Juliette Mazzoni | 6-3,6-2 |
| ITF W25 Madrid | 2021/06/09 07:15 | Robin Anderson v Marine Szostak | 4-6,6-3,6-4 |
| ITF W25 Madrid | 2021/06/08 07:15 | Viktoria Morvayova v Marine Szostak | 4-6,6-2,11-13 |
| ITF W25 Madrid | 2021/06/07 07:15 | Marine Szostak v Nicole Fossa Huergo | 6-2,6-4 |
| ITF W25 Madrid | 2021/06/06 12:00 | Marine Szostak v Helene Pellicano | 6-1,2-6,10-7 |
| ITF W15 Sibenik | 2021/05/24 08:00 | Elena Milovanovic v Marine Szostak | 6-3,6-3 |
| ITF W15 Sibenik | 2021/05/23 08:00 | Barrett, Graziella v Marine Szostak | 0-6,1-6 |
| ITF W15 Sibenik | 2021/05/18 09:25 | Vidmanova, Darja v Marine Szostak | 6-1,6-3 |
| ITF W15 Sibenik | 2021/05/17 12:20 | Laura Boehner v Marine Szostak | 0-6,1-6 |