| UTR Pro Tennis Series Pazardzhik | 2021/04/07 09:30 | Constant De La Bassetiere v Yanaki Milev | 6-4,6-7,6-3 |
| 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 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/07 09:30 | Gabriel Donev v Plamen Milushev | 7-5,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/05 13:00 | Ronan Joncour v Plamen Milushev | 6-1,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/01 10:00 | Anthony Genov v Plamen Milushev | 6-3,4-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/31 10:00 | Aristotelis Thanos v Plamen Milushev | 7-5,5-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/29 11:00 | Lucas Bouquet v Plamen Milushev | 6-3,5-0 |
| ITF M15 Antalya | 2021/01/07 08:40 | Plamen Milushev v Alexander Shevchenko | 1-6,5-7 |
| ITF M15 Antalya | 2021/01/06 07:30 | Plamen Milushev v Suleyman Deniz Gursoy | 6-0,6-2 |
| ITF M15 Antalya | 2021/01/04 07:00 | Plamen Milushev v Aleksandr Lobanov | 6-3,6-2 |