| UTR Pro Tennis Series Pazardzhik | 2021/04/09 14:00 | Lescure, Mick v Lazov, Alexander | 6-3,3-6,6-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 10:00 | Gergely Madarasz v Lazov, Alexander | 6-4,7-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/06 08:30 | Jules Marie v Lazov, Alexander | 6-1,6-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/05 11:30 | Lazov, Alexander v Yanais Laurent | 0-6,6-1,6-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/03 08:30 | Lazov, Alexander v Dinko Dinev | 6-7,2-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/02 11:30 | Joncour, Ronan v Lazov, Alexander | 1-6,5-7 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/01 12:00 | Dimitrov, Martin v Lazov, Alexander | 0-6,1-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/29 10:30 | Lazov, Alexander v Eric Vanshelboim | 2-6,2-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/09 12:30 | Aristotelis Thanos v Faivre, Pierre | 6-2,6-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 08:30 | Aristotelis Thanos v Ilya Snitari | 2-6,7-6,4-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/06 11:30 | Aristotelis Thanos v Petr Nesterov | 7-5,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/05 10:00 | Laurent, Thomas v Aristotelis Thanos | 6-3,6-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/03 07:00 | Aristotelis Thanos v Ilya Snitari | 5-7,0-0 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/02 10:00 | Aristotelis Thanos v Lucas Bouquet | 7-5,1-6,3-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/31 10:00 | Aristotelis Thanos v Milushev, Plamen | 7-5,5-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/30 11:30 | Aristotelis Thanos v Jules Marie | 6-1,5-3 |