| UTR Pro Tennis Series Pazardzhik | 2021/04/06 07:00 | Constant De La Bassetiere v Ronan Joncour | 7-5,4-6,4-6 |
| UTR Pro Tennis Series Pazardzhik | 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 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/06 08:30 | Gabriel Donev v Yanaki Milev | 6-2,5-1 |