| ITF Serbia F7 | 2016/09/13 08:00 | Vasile Antonescu v Gabriel Donev | 4-6,6-3,6-4 |
| UTR Pro Tennis Series Dubai | 2022/01/03 04:30 | Gabriel Donev v Ilya Snitari | 4-6,3-6 |
| UTR Pro Tennis Series Bucarest | 2021/12/04 11:00 | Gabriel Donev v Simon A Ivanov | 6-4,3-6,1-6 |
| UTR Pro Tennis Series Bucarest | 2021/12/03 12:30 | Gabriel Donev v Valentin Vanta | 3-6,1-6 |
| UTR Pro Tennis Series Bucarest | 2021/12/01 09:30 | Gabriel Donev v Volodymyr Uzhylovskyi | 6-0,4-6,5-2 |
| UTR Pro Tennis Series Bucarest | 2021/11/29 12:30 | Jordan Correia v Gabriel Donev | 6-1,6-3 |
| ITF M15 Sozopol | 2021/10/05 13:30 | Sarp Agabigun v Gabriel Donev | 5-7,5-7 |
| ITF M15 Sozopol | 2021/09/15 08:30 | George Lazarov v Gabriel Donev | 6-1,6-3 |
| ITF M15 Ulcinj | 2021/09/10 09:00 | Gabriel Donev v Edoardo Lavagno | 1-6,2-6 |
| UTR Pro Tennis Series Bucarest | 2021/12/05 12:30 | Stefan Palosi v Vasile Antonescu | 7-6,5-3 |
| UTR Pro Tennis Series Bucarest | 2021/12/04 14:00 | Valentin Vanta v Vasile Antonescu | 6-2,3-6,6-6 |
| UTR Pro Tennis Series Bucarest | 2021/12/03 16:13 | Vasile Antonescu v Ioan Alexandru Chirita | 6-4,6-7,6-1 |
| UTR Pro Tennis Series Bucarest | 2021/12/01 11:00 | Vasile Antonescu v Nicolae Frunza | 6-3,1-6,3-6 |
| UTR Pro Tennis Series Bucarest | 2021/11/30 14:50 | Vasile Antonescu v Olexiy Kolisnyk | 7-6,6-4 |
| UTR Pro Tennis Series Bucarest | 2021/11/29 11:00 | Stefan A Andreescu v Vasile Antonescu | 7-6,6-0 |
| UTR Pro Tennis Series Brasov | 2021/10/31 09:30 | Vasile Antonescu v Stefan A Andreescu | 4-6,7-6,6-3 |
| UTR Pro Tennis Series Brasov | 2021/10/30 09:30 | Vasile Antonescu v Simon A Ivanov | 6-0,6-3 |