Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Zlatibor | 2021/09/14 08:00 | Aleksandar Tomas v Obrad Markovski | 6-4,1-6,5-10 |
| ITF M15 Zlatibor | 2021/09/13 09:30 | Pavle Daljev v Obrad Markovski | 3-6,3-6 |
| ITF M15 Zlatibor | 2021/09/12 10:00 | Jamie Krattiger v Obrad Markovski | 2-6,6-7 |
| ITF M15 Ulcinj | 2021/08/30 07:30 | Aleksa Mardjonovic v Obrad Markovski | 6-7,7-5,11-9 |
| ITF M15 Bratislava | 2021/08/25 11:35 | Simon Freund v Obrad Markovski | 6-3,6-4 |
| ITF M15 Bratislava | 2021/08/24 08:00 | Kristof Minarik v Obrad Markovski | 7-6,3-6,3-10 |
| ITF M15 Bratislava | 2021/08/23 09:00 | Samo Polakovic v Obrad Markovski | 5-7,3-6 |
| ITF M15 Bratislava | 2021/08/17 08:00 | Franco Roncadelli v Obrad Markovski | 7-6,6-1 |
| ITF M15 Bad Waltersdorf | 2021/09/01 13:35 | Domagoj Biljesko v David Pichler | 2-6,6-7 |
| ITF M15 Bad Waltersdorf | 2021/08/31 07:00 | Domagoj Biljesko v Hasan Ibrahim | 6-2,6-0 |
| ITF M15 Novi Sad | 2021/08/06 09:00 | Domagoj Biljesko v Francisco Comesana | 2-6,5-7 |
| ITF M15 Novi Sad | 2021/08/04 07:55 | Domagoj Biljesko v Aziz Ouakaa | 5-7,6-1,6-3 |
| ITF M15 Novi Sad | 2021/08/03 08:00 | Domagoj Biljesko v Millen Hurrion | 7-5,6-2 |
| ITF M15 Novi Sad | 2021/08/02 08:00 | Domagoj Biljesko v Petar Jovanovic | 6-3,6-1 |
| ITF M15 Novi Sad | 2021/08/01 12:15 | Domagoj Biljesko v Kristijan Juhas | 7-5,6-4 |
| ITF M15 Novi Sad | 2021/07/25 09:30 | Lazar Milicevic v Domagoj Biljesko | 6-2,6-3 |