Stadium: Court 6 Round: 62 Ground: Clay
| ITF M15 Novi Sad | 2021/08/01 08:30 | Drazen Petrovic v Milos Vukovic | 6-4,6-2 |
| ITF M15 Doboj | 2021/07/13 08:00 | Dusan Obradovic v Drazen Petrovic | 6-4,6-4 |
| ITF M15 Doboj | 2021/07/12 08:00 | Drazen Petrovic v Janos Fekete | 6-4,2-6,13-11 |
| ITF M25 Velenje | 2021/07/04 07:30 | Drazen Petrovic v Tadija Radovanovic | 4-6,3-6 |
| ITF M25 Belgrade | 2021/06/27 09:00 | Drazen Petrovic v Stefan Ivic | 6-3,3-6,8-10 |
| ITF M15 Sarajevo | 2021/05/31 12:00 | Valentin Lapalu v Drazen Petrovic | 6-2,7-5 |
| ITF M15 Sarajevo | 2021/05/30 09:00 | Drazen Petrovic v Pavle Daljev | 6-2,6-1 |
| ITF M25 Kiseljak | 2021/05/24 11:00 | Bozo Barun v Drazen Petrovic | 6-1,6-3 |
| ITF M15 Novi Sad | 2021/08/01 07:00 | Nikola Keremedchiev v Darko Jandric | 1-6,6-7 |
| ITF M15 Novi Sad | 2021/07/25 08:15 | Peter Makk v Darko Jandric | 6-2,6-1 |
| ITF M15 Doboj | 2021/07/13 09:50 | Darko Jandric v Fabian Marozsan | 1-6,6-7 |
| ITF M15 Brcko | 2021/05/18 12:50 | Gorazd Srbljak v Darko Jandric | 6-2,6-3 |
| Eastern European Championship | 2020/07/23 08:00 | Matej Sabanov v Darko Jandric | 6-3,6-2 |
| Eastern European Championship | 2020/07/22 09:30 | Marko Tepavac v Darko Jandric | 6-4,6-2 |
| Eastern European Championship | 2020/07/16 10:00 | Aziz Kijametovic v Darko Jandric | 6-3,7-6 |
| Eastern European Championship | 2020/07/15 10:00 | Darko Jandric v Daniil Savelev | 6-2,6-3 |