| UTR Pro Tennis Series - Brașov | 2021/10/30 12:30 | Mihai Razvan Marinescu v Alex Cosmin Pavel | 6-4,6-1 |
| UTR Pro Tennis Series - Brașov | 2021/10/29 08:30 | Mihai Razvan Marinescu v Dragos Constantin Ignat | 1-6,7-6,5-6 |
| UTR Pro Tennis Series - Brașov | 2021/10/27 10:00 | Mihai Razvan Marinescu v Dan Alexandru Tomescu | 2-6,5-6 |
| UTR Pro Tennis Series - Brașov | 2021/10/26 11:30 | Mihai Razvan Marinescu v Stefan A Andreescu | 2-6,4-6 |
| UTR Pro Tennis Series - Brașov | 2021/10/25 07:00 | Valentin Vanta v Mihai Razvan Marinescu | 7-5,6-3 |
| ITF - M25 Bacau | 2021/08/16 13:30 | Ioan Alexandru Chirita v Mihai Razvan Marinescu | 6-1,7-6 |
| ITF - M15 Curtea de Arges | 2021/08/09 07:00 | Mihai Razvan Marinescu v Bogdan Pavel | 3-6,2-6 |
| ITF - M25 Pitesti | 2021/08/03 05:55 | Vlad Andrei Dancu v Mihai Razvan Marinescu | 7-6,6-4 |
| UTR Pro Tennis Series - Brașov | 2021/10/30 12:30 | Tudor Vlad Vasilache v Samuil Konov | 4-6,6-6 |
| UTR Pro Tennis Series - Brașov | 2021/10/29 07:00 | Samuil Konov v Ilya Snitari | 0-6,5-7 |
| UTR Pro Tennis Series - Brașov | 2021/10/27 11:30 | Samuil Konov v Artem Podorozhnyi | 3-6,6-4,3-6 |
| UTR Pro Tennis Series - Brașov | 2021/10/26 07:00 | Samuil Konov v Bogdan Borza | 2-6,5-6 |
| UTR Pro Tennis Series - Brașov | 2021/10/25 08:30 | Simon A Ivanov v Samuil Konov | 6-4,6-2 |
| ITF - M15 Sozopol | 2021/10/11 09:00 | Yann Wojcik v Samuil Konov | 6-1,6-2 |
| ITF - M15 Sozopol | 2021/10/10 10:30 | Enes Donmezer v Samuil Konov | 5-7,1-6 |
| ITF - M15 Sozopol | 2021/10/04 07:00 | Samuil Konov v Michael Gloeckler | 3-6,4-6 |