Stadium: Center Court Round: 54 Ground: Hardcourt indoor
| ITF M15 Parnu | 2021/08/04 10:10 | Joncour, Ronan v Tadas Babelis | 0-6,5-7 |
| ITF M25 Kottingbrunn | 2021/07/20 11:15 | Podzus, Martins v Joncour, Ronan | 6-0,6-1 |
| ITF - M15 Doboj | 2021/07/14 11:00 | Joncour, Ronan v Peter Fajta | 0-6,1-6 |
| ITF M25 Velenje | 2021/07/09 11:45 | Alexander Shevchenko v Joncour, Ronan | 6-2,6-3 |
| ITF M25 Velenje | 2021/07/08 13:00 | Joncour, Ronan v Ignatik, Uladzimir | 4-6,6-3,6-2 |
| ITF M25 Velenje | 2021/07/06 10:10 | Daniil Glinka v Joncour, Ronan | 6-2,3-6,5-7 |
| ITF M15 Bergamo | 2021/06/22 10:00 | Luigi Sorrentino v Joncour, Ronan | 6-1,6-2 |
| ITF M15 Bergamo | 2021/06/21 13:05 | Turchetti, Nicolo v Joncour, Ronan | 2-6,2-6 |
| ITF M25 Nevers | 2021/10/03 09:00 | Ginefri, Max v Breut, Lilian | 1-6,2-6 |
| ITF M15 Forbach | 2021/09/30 10:00 | Arthur Reymond v Breut, Lilian | 6-3,7-5 |
| ITF M15 Forbach | 2021/09/27 09:35 | Louroi Martinez v Breut, Lilian | 4-6,4-6 |
| ITF M15 Forbach | 2021/09/26 07:30 | Sebastian Bahamondes v Breut, Lilian | 1-6,1-6 |
| ITF M25 Plaisir | 2021/09/13 09:35 | Breut, Lilian v Thomas Deschamps | 3-6,4-6 |
| ITF M25 Plaisir | 2021/09/12 12:40 | Breut, Lilian v Allan Deschamps | 6-2,6-3 |
| ITF M25 Sierre | 2021/09/01 09:20 | Calvin Hemery v Breut, Lilian | 6-2,6-1 |
| ITF M25 Sierre | 2021/08/30 07:50 | Breut, Lilian v Valent, Daniel | 6-3,6-3 |