| 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 | 2021/03/29 10:30 | Alexander Lazov v Eric Vanshelboim | 2-6,2-5 |
| Challenger Istanbul | 2019/09/10 07:00 | Alexander Lazov v Rayane Roumane | 5-7,6-2,1-6 |
| ITF M15 Antalya | 2021/04/04 06:30 | Bautista Vilicich v Valentin Vanta | 6-3,2-6,11-9 |
| ITF M15 Antalya | 2021/03/29 07:00 | Federico Bertuccioli v Valentin Vanta | 6-3,7-5 |
| ITF M15 Antalya | 2021/03/28 06:30 | Danylo Veremeychuk v Valentin Vanta | 6-3,2-6,3-10 |
| ITF M15 Antalya | 2021/03/22 07:00 | Carlo Alberto Fossati v Valentin Vanta | 6-2,6-3 |
| ITF M15 Antalya | 2021/03/21 07:00 | Michalis Sakellaridis v Valentin Vanta | 5-7,6-4,7-10 |
| ITF M15 Antalya | 2021/03/14 07:00 | Giovanni Rizzuti v Valentin Vanta | 6-3,6-4 |
| ITF M15 Antalya | 2021/02/21 06:00 | Simone Roncalli v Valentin Vanta | 6-4,6-2 |
| ITF M15 Antalya | 2021/02/16 11:15 | Valentin Vanta v Sidane Pontjodikromo | 5-7,2-6 |