| Challenger Sibiu | 2021/09/28 10:45 | Yan Bondarevskiy v Vlad Andrei Dancu | 6-2,6-3 |
| Challenger Bucharest | 2021/09/20 08:00 | Vlad Andrei Dancu v Matteo Arnaldi | 2-6,2-6 |
| Challenger Bucharest | 2021/09/19 10:00 | Julian Ocleppo v Vlad Andrei Dancu | 7-6,4-6,2-6 |
| ITF M15 Chornomorsk | 2021/08/31 08:35 | Vlad Andrei Dancu v Oleg Prihodko | 3-6,1-6 |
| ITF M25 Bacau | 2021/08/18 07:00 | Vlad Andrei Dancu v Matias Zukas | 6-7,0-6 |
| ITF M25 Bacau | 2021/08/17 08:45 | Vlad Andrei Dancu v Vladimir Filip | 6-2,6-2 |
| ITF M15 Curtea de Arges | 2021/08/12 11:20 | Facundo Juarez v Vlad Andrei Dancu | 7-5,6-4 |
| ITF M15 Curtea de Arges | 2021/08/11 08:45 | Vlad Andrei Dancu v Mariano Navone | 6-4,6-4 |
| UTR Pro Tennis Series Nis | 2021/10/10 17:00 | Ivan Liutarevich v Alexander Lazov | 6-4,6-4 |
| UTR Pro Tennis Series Nis | 2021/10/09 10:15 | Alexander Lazov v Duje Kekez | 6-3,3-6,5-1 |
| UTR Pro Tennis Series Nis | 2021/10/08 18:15 | George Botezan v Alexander Lazov | 2-6,3-5 |
| UTR Pro Tennis Series Nis | 2021/10/07 10:00 | Aleksa Mardjonovic v Alexander Lazov | 2-6,4-5 |
| UTR Pro Tennis Series Nis | 2021/10/06 11:30 | Dusan Trunic v Alexander Lazov | 6-4,2-6,1-6 |
| UTR Pro Tennis Series Nis | 2021/10/04 11:30 | Christos Keisidis v Alexander Lazov | 6-3,0-6,3-6 |
| UTR Pro Tennis Series Ricany | 2021/09/18 09:00 | Antonin Bolardt v Alexander Lazov | 4-6,6-4,2-5 |
| UTR Pro Tennis Series Ricany | 2021/09/16 07:00 | Alexander Lazov v Jan Satral | 1-6,2-6 |