Round: 44 Ground: Clay
| ITF W60 Nantes | 2019/10/28 14:30 | Juliette Mazzoni v Adler, Lou | 3-6,4-6 |
| ITF W15 Lousada | 2019/10/20 12:00 | Juliette Mazzoni v Schwartzmann, D. | 0-6,0-6 |
| ITF W25 Cherbourg | 2019/10/06 09:00 | Juliette Mazzoni v Tayisiya Morderger | 1-6,0-6 |
| Andrezieux-Boutheon, Singles W-ITF-FRA-25A | 2019/09/30 13:55 | Juliette Mazzoni v Amandine Monnot | 1-6,1-6 |
| ITF W25 Perigueux | 2019/06/24 08:00 | Juliette Mazzoni v Emmanuelle Girard | 0-6,0-6 |
| ITF W15 Amarante | 2019/06/10 17:00 | Juliette Mazzoni v Celia Cervino Ruiz | 0-6,0-6 |
| Montemor-O-Novo, Singles W-ITF-POR-06A | 2019/05/27 09:00 | Naima Karamoko v Juliette Mazzoni | 6-1,6-0 |
| ITF - W15 Le Havre | 2019/03/18 15:05 | Courcoux, Pauline v Juliette Mazzoni | 6-2,6-0 |