Stadium: Court 4 Round: 25 Ground: Clay
| ITF - Zlatibor M15 | 2021/09/16 08:00 | Domagoj Biljesko v Oleg Prihodko | 2-6,3-6 |
| ITF - Zlatibor M15 | 2021/09/15 08:00 | Obrad Markovski v Domagoj Biljesko | 5-7,6-4,2-6 |
| ITF - Bad Waltersdorf M15 | 2021/09/01 13:35 | Domagoj Biljesko v David Pichler | 2-6,6-7 |
| ITF - Bad Waltersdorf M15 | 2021/08/31 07:00 | Domagoj Biljesko v Hasan Ibrahim | 6-2,6-0 |
| ITF - Novi Sad M15 | 2021/08/06 09:00 | Domagoj Biljesko v Francisco Comesana | 2-6,5-7 |
| ITF - Novi Sad M15 | 2021/08/04 07:55 | Domagoj Biljesko v Aziz Ouakaa | 5-7,6-1,6-3 |
| ITF - Novi Sad M15 | 2021/08/03 08:00 | Domagoj Biljesko v Millen Hurrion | 7-5,6-2 |
| ITF - Novi Sad M15 | 2021/08/02 08:00 | Domagoj Biljesko v Petar Jovanovic | 6-3,6-1 |
| ITF - Sozopol M15 | 2021/09/17 07:00 | Kai Wehnelt v Calin Manda | 4-6,6-4,6-1 |
| ITF - Sozopol M15 | 2021/09/16 07:00 | Aleksandre Bakshi v Calin Manda | 1-6,2-6 |
| ITF - Sozopol M15 | 2021/09/15 07:00 | Martin Dimitrov v Calin Manda | 4-6,4-6 |
| ITF - Curtea de Arges M15 | 2021/08/13 10:55 | Calin Manda v Matias Zukas | 0-6,7-5,1-6 |
| ITF - Curtea de Arges M15 | 2021/08/12 09:00 | Gabi Adrian Boitan v Calin Manda | 3-6,2-6 |
| ITF - Curtea de Arges M15 | 2021/08/11 11:50 | Calin Manda v Alex Barrena | 6-4,6-2 |
| ITF - Curtea de Arges M15 | 2021/08/10 08:25 | Calin Manda v Facundo Arias Bisso | 6-0,6-2 |
| ITF - Curtea de Arges M15 | 2021/08/09 09:00 | Calin Manda v Vladimir Filip | 6-2,6-4 |