Stadium: Court 6 Round: 62 Ground: Clay
| ITF M15 Novi Sad | 2021/07/25 09:30 | Lazar Milicevic v Domagoj Biljesko | 6-2,6-3 |
| ITF M15 Doboj | 2021/07/14 13:10 | Dusan Obradovic v Domagoj Biljesko | 7-5,6-2 |
| ITF M25 Velenje | 2021/07/07 10:05 | Bor Artnak v Domagoj Biljesko | 6-4,1-6,6-2 |
| ITF M25 Velenje | 2021/07/06 08:00 | Domagoj Biljesko v Nicolas Parizzia | 6-3,7-5 |
| ITF M25 Velenje | 2021/07/05 09:00 | Domagoj Biljesko v Tadija Radovanovic | 6-4,4-6,11-9 |
| ITF M15 Sarajevo | 2021/06/03 10:30 | Domagoj Biljesko v Hernan Casanova | 2-6,3-6 |
| ITF M15 Sarajevo | 2021/06/02 15:55 | Zsombor Velcz v Domagoj Biljesko | 7-6,2-6,5-7 |
| ITF M15 Sarajevo | 2021/06/01 09:00 | Domagoj Biljesko v Michele Vianello | 6-3,6-4 |
| ITF M25 Belgrade | 2021/06/29 10:50 | Kristijan Juhas v Nick Hardt | 2-6,1-6 |
| ITF M15 Skopje | 2021/06/07 09:30 | Plamen Milushev v Kristijan Juhas | 6-4,2-6,10-6 |
| ITF M15 Brcko | 2021/05/19 10:25 | Luka Pavlovic v Kristijan Juhas | 6-4,6-4 |
| ITF M15 Prijedor | 2021/05/14 08:15 | Kristijan Juhas v Gergely Madarasz | 4-6,6-7 |
| ITF M15 Prijedor | 2021/05/13 11:40 | Kristijan Juhas v Federico Campana | 6-3,3-6,6-4 |
| ITF M15 Prijedor | 2021/05/11 08:00 | Kristijan Juhas v Lazar Milicevic | 6-3,6-0 |
| ITF M15 Prijedor | 2021/05/10 12:00 | Gabriele Maria Noce v Kristijan Juhas | 5-7,4-6 |
| ITF M15 Prijedor | 2021/05/09 09:30 | Kristijan Juhas v Martin Zeljenka | 6-1,6-1 |