Round: 54 Ground: Hardcourt indoor
| ITF France F12 | 2018/07/03 13:00 | Ronan Joncour v Maxime Chazal | 6-7,5-7 |
| ITF France F12 Qual | 2018/07/01 12:45 | Ronan Joncour v Amaury Delmas | 6-3,6-1 |
| ITF France F8 Qual | 2018/04/23 09:30 | Jules Marie v Ronan Joncour | 6-4,6-2 |
| ITF France F5 Qual | 2018/03/11 12:10 | Ronan Joncour v Kyrian Jacquet | 4-6,4-6 |
| ITF France F1 | 2018/01/09 17:25 | Ronan Joncour v Gregoire Jacq | 2-6,0-6 |
| ITF Mexico F7 | 2017/11/27 16:00 | Mousheg Hovhannisyan v Ronan Joncour | 6-3,6-0 |
| ITF USA F30 | 2017/09/12 19:20 | Ronan Joncour v Gustav Hansson | 2-6,3-6 |
| ITF France F17 | 2017/07/28 10:00 | Ronan Joncour v Antoine Hoang | 1-6,3-6 |