| UTR Pro Tennis Series - Brasov | 2021/10/26 10:00 | Tudor Vlad Vasilache v Yurii Dzhavakian | 3-6,4-6 |
| UTR Pro Tennis Series - Brasov | 2021/10/25 11:30 | Vlad Andrei Dancu v Tudor Vlad Vasilache | 6-1,5-3 |
| UTR Pro Tennis Series - Bucuresti | 2021/06/03 06:00 | Tudor Vlad Vasilache v Petru-Alexandru Luncanu | 1-6,0-6 |
| UTR Pro Tennis Series - Bucuresti | 2021/05/30 07:00 | Ioan Chirita v Tudor Vlad Vasilache | 6-2,6-3 |
| UTR Pro Tennis Series - Brasov | 2021/10/25 11:30 | Martin Dimitrov v Alexander Lazov | 5-7,4-6 |
| 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 |