| 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 |
| Istanbul, Turkey | 2019/09/10 07:00 | Lazov, Alexander v Roumane, Rayane | 5-7,6-2,1-6 |
| ITF M15 Sozopol | 2019/05/09 09:40 | Alexander Donski v Lazov, Alexander | 6-2,6-2 |
| ITF M15 Sozopol | 2019/05/08 11:00 | Elbaz, Shahar v Lazov, Alexander | 0-6,6-7 |
| Challenger Andria | 2018/11/18 17:05 | Aldin Setkic v Lazov, Alexander | 6-3,6-4 |
| Challenger Andria | 2018/11/17 13:00 | Dambrosi, Giacomo v Lazov, Alexander | 6-7,1-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/02 08:30 | Dinko Dinev v Ivanov, Simon Anthony | 6-2,5-0 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/31 08:30 | Dinko Dinev v Dima, Dragos | 1-6,4-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/30 07:00 | Dinko Dinev v Juan Bautista Otegui | 1-6,1-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/29 09:30 | Laurent, Thomas v Dinko Dinev | 4-6,2-5 |