Stadium: Centre court Round: 25 Ground: Hardcourt indoor
| ITF France F22 | 2018/10/15 13:35 | Joncour, Ronan v Peyrot, Alexandre | 5-7,7-6,6-3 |
| ITF France F22 | 2018/10/14 13:10 | Joncour, Ronan v Blanco, Loic | 7-6,6-2 |
| ITF France F21 | 2018/10/09 12:00 | Dan Added v Joncour, Ronan | 7-5,6-1 |
| ITF France F21 | 2018/10/07 13:55 | Roy, Matthieu v Joncour, Ronan | 6-2,6-7,2-6 |
| ITF France F21 | 2018/10/06 11:30 | Joncour, Ronan v Ugo Blanchet | 7-6,6-1 |
| France F19, Singles | 2018/09/29 12:30 | Joncour, Ronan v Albano Olivetti | 3-6,6-7 |
| France F19, Singles | 2018/09/28 14:30 | Reinwein, Sami v Joncour, Ronan | 3-6,6-3,4-6 |
| France F19, Singles | 2018/09/26 14:00 | Joncour, Ronan v Clement Tabur | 6-7,6-4,7-5 |
| France F20, Singles | 2018/10/05 12:00 | Cornut-Chauvinc, Antoine v Boltz, Sebastien | 6-7,4-6 |
| France F20, Singles | 2018/10/04 16:00 | Valentin Royer v Cornut-Chauvinc, Antoine | 3-6,5-7 |
| France F20, Singles | 2018/10/02 12:40 | Faivre, Pierre v Cornut-Chauvinc, Antoine | 0-6,3-6 |
| Orleans, France | 2018/09/26 11:15 | Antoine Hoang v Cornut-Chauvinc, Antoine | 6-4,2-6,6-2 |
| ITF France F18 | 2018/09/23 13:00 | Cornut-Chauvinc, Antoine v Mertens, Yannick | 6-7,2-6 |
| ITF France F18 | 2018/09/22 12:30 | Cornut-Chauvinc, Antoine v Manuel Guinard | 7-5,6-0 |
| ITF France F18 | 2018/09/21 10:00 | Cornut-Chauvinc, Antoine v Botic Van De Zandschulp | 6-2,6-0 |
| ITF France F18 | 2018/09/19 14:00 | Cornut-Chauvinc, Antoine v Frost, Linus | 6-7,6-3,7-5 |