Stadium: Court 2 Round: 44 Ground: Clay
| ITF M15 București | 2021/05/24 09:30 | Dragos Petre Popeanga v Bogdan Borza | 3-6,3-6 |
| ITF M15 Curtea de Arges | 2020/09/13 09:00 | Michalis Sakellaridis v Dragos Petre Popeanga | 6-4,7-5 |
| ITF M15 Sofia | 2021/07/07 13:10 | Nikita Mashtakov v Mihai Razvan Marinescu | 3-6,6-1,6-1 |
| ITF M15 Sofia | 2021/07/05 14:00 | Mihai Razvan Marinescu v Marat Sharipov | 7-5,6-7,10-8 |
| ITF M15 Sofia | 2021/07/05 08:00 | Martin Dimitrov v Mihai Razvan Marinescu | 6-3,6-7,5-10 |
| UTR Pro Tennis Series - Bukarest | 2021/06/04 07:00 | Mihai Razvan Marinescu v Vladimir Filip | 0-6,3-6 |
| UTR Pro Tennis Series - Bukarest | 2021/06/03 07:30 | Ihor Dudun v Mihai Razvan Marinescu | 0-6,1-5 |
| UTR Pro Tennis Series - Bukarest | 2021/05/30 13:00 | Mihai Razvan Marinescu v Warren Sinius | 6-4,6-1 |
| ITF M15 București | 2021/05/24 09:30 | Quentin Folliot v Mihai Razvan Marinescu | 6-4,7-5 |
| ITF M15 București | 2021/05/23 12:00 | Mihai Razvan Marinescu v Allan Deschamps | 6-2,6-4 |