Stadium: Court 5 Round: 62 Ground: Clay
| ITF M15 Novi Sad | 2021/07/25 08:15 | Matic Dimic v Andrej Krajcik | 6-4,5-7,10-8 |
| ITF M25 Velenje | 2021/07/04 07:30 | Matic Dimic v Nicolas Parizzia | 3-6,4-6 |
| ITF M15 Heraklion | 2021/05/30 09:00 | Matic Dimic v Christian Sigsgaard | 3-6,2-6 |
| ITF M15 Heraklion | 2021/05/23 08:00 | Matic Dimic v Christos Keisidis | 2-6,4-6 |
| ITF M15 Sibenik | 2021/05/16 10:00 | Duje Kekez v Matic Dimic | 6-2,6-0 |
| ITF M15 Prijedor | 2021/05/11 08:00 | Matic Dimic v Bozo Barun | 2-6,6-2,7-10 |
| ITF M15 Prijedor | 2021/05/10 12:00 | Gorazd Srbljak v Matic Dimic | 6-7,7-5,7-10 |
| ITF M15 Sibenik | 2021/04/18 08:00 | Matic Dimic v Neil Oberleitner | 7-6,4-6,6-10 |
| ITF M15 Novi Sad | 2021/07/25 07:00 | Stevan Popovic v Taiyo Yamanaka | 6-3,4-6,10-7 |
| ITF M15 Doboj | 2021/07/14 11:20 | Stevan Popovic v Viktor Jovic | 4-6,2-6 |
| ITF M25 Velenje | 2021/07/05 17:50 | Alen Rogic-Hadzalic v Stevan Popovic | 6-3,6-4 |
| ITF M15 Skopje | 2021/06/07 09:30 | Stevan Popovic v Viktor Jovic | 0-6,0-6 |
| ITF M15 Skopje | 2021/06/06 10:30 | Nicolas Cortes Campos v Stevan Popovic | 6-7,3-6 |
| ITF M15 Sarajevo | 2021/05/31 12:00 | Domagoj Biljesko v Stevan Popovic | 6-1,6-2 |
| ITF M15 Sarajevo | 2021/05/31 08:00 | Tadija Radovanovic v Stevan Popovic | 6-3,5-7,9-11 |
| ITF M25 Kiseljak | 2021/05/25 08:00 | Stefan Micov v Stevan Popovic | 5-7,7-5,10-6 |