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