Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Sozopol | 2021/10/10 13:30 | Dan Radu Munteanu v Dawid Taczala | 6-4,6-2 |
| ITF M15 Sozopol | 2021/10/04 08:00 | George Lazarov v Dan Radu Munteanu | 6-0,6-2 |
| ITF M25 Skopje | 2021/09/27 13:00 | Franco Emanuel Egea v Dan Radu Munteanu | 6-2,6-2 |
| ITF M15 Bad Waltersdorf | 2021/08/30 07:00 | Dan Radu Munteanu v Kris Krawcewicz | 3-6,1-6 |
| ITF M15 Bad Waltersdorf | 2021/08/29 07:00 | Pietro Pirolt v Dan Radu Munteanu | 1-6,6-4,6-10 |
| ITF M25 Bacau | 2021/08/16 15:00 | Dan Radu Munteanu v Valentin Vanta | 2-6,4-6 |
| ITF M15 Curtea de Arges | 2021/08/09 07:00 | Cezar Cretu v Dan Radu Munteanu | 6-1,6-3 |
| ITF M15 Curtea de Arges | 2021/08/08 08:00 | Dragos Petre Popeanga v Dan Radu Munteanu | 2-6,1-6 |
| ITF M15 Sozopol | 2021/10/10 13:30 | Matic Dimic v George Lazarov | 7-5,6-0 |
| ITF M15 Sozopol | 2021/10/06 09:00 | Matic Dimic v Ben Patael | 2-6,3-6 |
| ITF M15 Sozopol | 2021/10/05 06:30 | Maxim Khorozov v Matic Dimic | 4-6,2-6 |
| ITF M15 Sozopol | 2021/10/04 08:00 | Dragos Petre Popeanga v Matic Dimic | 1-6,3-6 |
| ITF M15 Sozopol | 2021/10/03 09:00 | Radoslav Shandarov v Matic Dimic | 2-6,1-6 |
| ITF M15 Zlatibor | 2021/09/13 09:30 | Michal Novansky v Matic Dimic | 7-6,6-4 |
| ITF M15 Bad Waltersdorf | 2021/09/01 12:10 | Lenny Hampel v Matic Dimic | 6-3,6-2 |
| ITF M15 Bad Waltersdorf | 2021/08/31 07:00 | Matic Dimic v Christian Fellin | 6-1,6-1 |