| UTR Pro Tennis Series Pazardzhik | 2021/04/11 10:00 | Alexander Lazov v Constant De La Bassetiere | 5-7,1-6 |
| 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 |