Estádio: CENTER COURT (7) Round: 25 Ground: Clay
| ITF - M15 Ulcinj | 2021/08/30 07:30 | Viktor Jovic v Leonardo Catani | 6-4,6-4 |
| ITF - M15 Novi Sad | 2021/08/04 11:20 | Viktor Jovic v Peter Fajta | 4-6,6-7 |
| ITF - M15 Novi Sad | 2021/07/27 12:30 | Dragos Nicolae Madaras v Viktor Jovic | 6-1,6-1 |
| ITF - M15 Doboj | 2021/07/15 10:15 | Gergely Madarasz v Viktor Jovic | 6-4,6-3 |
| ITF - M15 Doboj | 2021/07/14 11:20 | Stevan Popovic v Viktor Jovic | 4-6,2-6 |
| ITF - M15 Doboj | 2021/07/13 09:45 | Viktor Jovic v Nemanja Malesevic | 0-6,6-4,10-8 |
| ITF - M15 Doboj | 2021/07/12 08:00 | Viktor Jovic v Ali Habib | 6-2,0-6,10-8 |
| UTR Pro Tennis Series - Belgrado | 2021/07/09 10:00 | Aleksa Mardjonovic v Viktor Jovic | 1-6,1-6 |
| ITF - M15 Telavi | 2021/08/04 08:45 | Evgeny Philippov v Gabriel Donev | 2-6,3-6 |
| ITF - M15 Telavi | 2021/08/03 09:45 | Martin Borisiouk v Gabriel Donev | 3-6,2-6 |
| ITF - M15 Novi Sad | 2021/07/30 08:00 | Gabriel Donev v Juan Pablo Paz | 4-6,5-7 |
| ITF - M15 Novi Sad | 2021/07/29 09:25 | Gabriel Donev v Gorazd Srbljak | 6-2,6-4 |
| ITF - M15 Novi Sad | 2021/07/28 11:10 | Ivan Nedelko v Gabriel Donev | 4-6,1-6 |
| ITF - M15 Novi Sad | 2021/07/26 09:00 | Gabriel Donev v Dusan Rajic | 6-2,6-2 |
| ITF - M15 Novi Sad | 2021/07/25 12:00 | Gabriel Donev v Besir Durguti | 6-1,6-1 |
| ITF - M15 Sófia | 2021/07/09 08:30 | Gabriel Donev v Alexander Weis | 6-4,3-6,6-7 |