| ITF M15 Ulcinj | 2021/09/20 08:00 | Jerko Brkic v Alexandre Aubriot | 1-6,2-6 |
| ITF M15 Ulcinj | 2021/09/19 09:30 | Jerko Brkic v Martin Muedini | 6-1,7-5 |
| ITF M15 Ulcinj | 2021/09/13 08:00 | Gianmarco Ferrari v Jerko Brkic | 6-1,6-3 |
| ITF M15 Ulcinj | 2021/09/12 08:00 | Jerko Brkic v Lior Goldenberg | 6-3,6-0 |
| UTR Pro Tennis Series Zadar | 2021/07/04 08:30 | Jerko Brkic v Karlo Kajin | 6-4,6-4 |
| UTR Pro Tennis Series Zadar | 2021/07/02 12:30 | Constant De La Bassetiere v Jerko Brkic | 7-6,5-2 |
| UTR Pro Tennis Series Zadar | 2021/07/01 09:30 | Warren Sinius v Jerko Brkic | 6-3,6-5 |
| UTR Pro Tennis Series Zadar | 2021/06/30 08:00 | Josip Krstanovic v Jerko Brkic | 6-4,5-3 |
| UTR Pro Tennis Series Zadar | 2021/10/02 10:00 | Janos Fekete v Alen Rogic-Hadzalic | 6-0,2-6,4-5 |
| UTR Pro Tennis Series Zadar | 2021/10/01 08:00 | Janos Fekete v Stefanos Sakellaridis | 6-1,6-6 |
| UTR Pro Tennis Series Zadar | 2021/09/29 08:00 | Janos Fekete v Drazen Petrovic | 4-6,6-4,1-6 |
| UTR Pro Tennis Series Zadar | 2021/09/28 12:30 | Janos Fekete v Christos Keisidis | 6-4,5-3 |
| UTR Pro Tennis Series Zadar | 2021/09/27 11:30 | Duje Kekez v Janos Fekete | 3-6,5-6 |
| ITF M15 Vyshkovo | 2021/09/22 11:00 | Romain Faucon v Janos Fekete | 3-6,6-4,6-3 |
| ITF M15 Vyshkovo | 2021/09/20 07:00 | Riccardo Tavilla v Janos Fekete | 6-4,3-6,7-10 |
| ITF M15 Vyshkovo | 2021/09/20 06:00 | Cristian Campese v Janos Fekete | 2-6,2-6 |