| UTR Pro Tennis Series Pazardzhik | 2021/04/10 13:30 | Alexander Lazov v Aristotelis Thanos | 6-4,5-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/09 14:00 | Mick Lescure v Alexander Lazov | 6-3,3-6,6-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 10:00 | Gergely Madarasz v Alexander Lazov | 6-4,7-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/06 08:30 | Jules Marie v Alexander Lazov | 6-1,6-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/05 11:30 | Alexander Lazov v Yanais Laurent | 0-6,6-1,6-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/03 08:30 | Alexander Lazov v Dinko Dinev | 6-7,2-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/02 11:30 | Ronan Joncour v Alexander Lazov | 1-6,5-7 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/01 12:00 | Martin Dimitrov v Alexander Lazov | 0-6,1-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/10 12:00 | Martin Dimitrov v Constant De La Bassetiere | 4-6,6-4,3-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 09:15 | Constant De La Bassetiere v Plamen Milushev | 6-4,6-2 |
| 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 |