Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Sozopol | 2021/09/15 09:30 | Mert Ramadan v Petru-Alexandru Luncanu | 6-1,2-6,2-6 |
| ITF M25 Bacau | 2021/08/17 06:55 | Petru-Alexandru Luncanu v Ilya Snitari | 4-6,2-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/04 08:30 | Juan Pablo Paz v Petru-Alexandru Luncanu | 6-3,6-1 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 06:00 | Tudor Vlad Vasilache v Petru-Alexandru Luncanu | 1-6,0-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 15:00 | Facundo Juarez v Petru-Alexandru Luncanu | 6-7,4-5 |
| UTR Pro Tennis Series Bucharest | 2021/05/30 13:00 | Gheorghe Claudiu Schinteie v Petru-Alexandru Luncanu | 4-6,1-5 |
| ITF M15 Bucharest | 2021/05/25 12:30 | Quentin Folliot v Petru-Alexandru Luncanu | 6-3,6-1 |
| ITF M15 Bucharest | 2021/05/24 09:30 | Adrian Mateo Bejenaru v Petru-Alexandru Luncanu | 6-3,1-6,4-10 |
| ITF M15 Sozopol | 2021/09/15 08:30 | George Lazarov v Gabriel Donev | 6-1,6-3 |
| ITF M15 Sozopol | 2021/09/14 07:00 | George Lazarov v Mikhail Minakov | 7-5,4-6,10-4 |
| ITF M15 Sozopol | 2021/09/13 08:00 | Luigi Castelletti v George Lazarov | 3-6,4-6 |
| UTR Pro Tennis Series Sofia | 2021/09/04 07:30 | Alexander Lazov v George Lazarov | 3-5 |
| UTR Pro Tennis Series Sofia | 2021/09/03 07:00 | George Lazarov v Christos Keisidis | 6-4,6-4 |
| UTR Pro Tennis Series Sofia | 2021/09/02 07:00 | Ivan Mikhaylyuk v George Lazarov | 3-6,1-6 |
| UTR Pro Tennis Series Sofia | 2021/09/01 06:30 | Volodymyr Uzhylovskyi v George Lazarov | 1-6,6-1,1-5 |
| UTR Pro Tennis Series Sofia | 2021/08/31 09:30 | Valentin Vanta v George Lazarov | 6-4,6-0 |