Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Banja Luka | 2021/09/05 11:15 | Elmar Ejupovic v Andrej Nedic | 3-6,6-3,6-0 |
| ITF M15 Doboj | 2021/07/15 10:40 | Andrej Nedic v Duje Kekez | 0-6,2-6 |
| ITF M15 Doboj | 2021/07/14 13:15 | Stefan Milicevic v Andrej Nedic | 7-6,3-6,5-7 |
| ITF M15 Sarajevo | 2021/05/31 10:00 | Andrej Nedic v Nicolas Zanellato | 3-6,3-6 |
| ITF M15 Brcko | 2021/05/18 07:00 | Stefan Micov v Andrej Nedic | 3-6,6-3,10-6 |
| ITF M15 Brcko | 2021/05/16 11:00 | Andrej Nedic v Joel Vincent Link | 6-7,6-4,10-4 |
| UTR Pro Tennis Series Zadar | 2021/11/21 10:30 | Deni Zmak v Domagoj Biljesko | 5-7,2-5 |
| UTR Pro Tennis Series Zadar | 2021/11/20 12:24 | Domagoj Biljesko v Vladyslav Manafov | 6-7,6-2,6-6 |
| UTR Pro Tennis Series Zadar | 2021/11/18 09:00 | Lawrence Bataljin v Domagoj Biljesko | 1-6,1-6 |
| UTR Pro Tennis Series Zadar | 2021/11/15 13:30 | Michalis Sakellaridis v Domagoj Biljesko | 1-6,1-6 |
| UTR Pro Tennis Series Zadar | 2021/11/14 14:30 | Petar Pjevcevic v Domagoj Biljesko | 3-6,6-4,2-6 |
| ITF M25 Skopje | 2021/09/27 10:00 | Domagoj Biljesko v Michele Vianello | 6-2,4-6,6-10 |
| ITF M15 Pirot | 2021/09/22 08:00 | Domagoj Biljesko v Calin Manda | 1-6,4-6 |
| ITF M15 Zlatibor | 2021/09/16 08:00 | Domagoj Biljesko v Oleg Prihodko | 2-6,3-6 |