| ITF France F5 Qual | 2015/03/08 09:00 | Joncour, Ronan v de La Bassetiere, Constant | 7-6,6-4 |
| ITF France F16 | 2014/07/23 15:30 | Joncour, Ronan v de La Bassetiere, Constant | 0-6,6-4,6-1 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/05 13:00 | de La Bassetiere, Constant v Gabriel Donev | 5-7,1-6 |
| ITF - M15 Monastir | 2021/03/08 15:45 | Savva Polukhin v de La Bassetiere, Constant | 6-4,6-2 |
| ITF - M15 Monastir | 2021/03/08 12:30 | Dermiens, Guillaume v de La Bassetiere, Constant | 3-6,2-6 |
| ITF - M15 Monastir | 2021/03/07 08:00 | de La Bassetiere, Constant v Melnic, Vladislav | 6-4,6-3 |
| ITF - M15 Monastir | 2021/03/03 08:30 | Dougaz, Aziz v de La Bassetiere, Constant | 6-3,3-6,6-2 |
| ITF - M15 Monastir | 2021/03/01 14:30 | Luca Castagnola v de La Bassetiere, Constant | 1-6,2-6 |
| ITF - M15 Monastir | 2021/03/01 09:00 | de La Bassetiere, Constant v Melnic, Vladislav | 7-6,6-0 |
| ITF - M15 Monastir | 2021/02/28 12:00 | Eminefendic, Ervin Haris v de La Bassetiere, Constant | 2-6,0-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/05 13:00 | Joncour, Ronan v Milushev, Plamen | 6-1,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/04 07:00 | Joncour, Ronan v Faivre, Pierre | 4-6,0-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/03 07:00 | Joncour, Ronan v Meraut, Tristan | 7-5,6-1 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/02 11:30 | Joncour, Ronan v Lazov, Alexander | 1-6,5-7 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/31 11:30 | Joncour, Ronan v Eric Vanshelboim | 1-6,1-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/29 10:30 | Tatlot, Johan Sebastien v Joncour, Ronan | 6-4,3-6,6-1 |
| ITF - M25 Vale Do Lobo | 2021/03/08 10:00 | Joncour, Ronan v Fernandes, Tiago Rodrigo | 6-1,6-1 |
| ITF - M25 Vale Do Lobo | 2021/03/07 11:00 | Joncour, Ronan v Marujo, Martim | 6-2,6-2 |