Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Brcko | 2021/05/18 12:00 | Stefan Micov v Dusan Obradovic | 1-6,4-6 |
| ITF M15 Brcko | 2021/05/18 07:00 | Milos Vukovic v Dusan Obradovic | 4-6,0-6 |
| ITF M15 Brcko | 2021/05/16 09:30 | Dusan Obradovic v Petar Pjevcevic | 6-4,6-0 |
| ITF M15 Bratislava | 2021/03/01 15:00 | Dusan Obradovic v Zsombor Velcz | 4-6,2-6 |
| ITF M15 Monastir | 2020/12/13 13:30 | Yanais Laurent v Dusan Obradovic | 6-1,6-2 |
| ITF M15 Monastir | 2020/12/13 09:30 | Dusan Obradovic v Skander Ben Abdallah | 6-3,6-3 |
| ITF M15 Monastir | 2020/12/06 08:00 | Luca Potenza v Dusan Obradovic | 1-6,6-3,10-5 |
| Adriatic Tennis Series | 2020/06/08 12:20 | Dusan Obradovic v Marko Topo | 4-6,1-6 |
| ITF M15 Prijedor | 2021/05/12 11:00 | Marko Tepavac v Matheus P De Almeida | 4-6,5-7 |
| Challenger Belgrade | 2021/04/11 13:00 | Andrej Martin v Marko Tepavac | 1-6,7-6,7-5 |
| ITF M15 Sharm El Sheikh | 2021/02/12 09:20 | Marek Gengel v Marko Tepavac | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2021/02/11 07:30 | Marko Tepavac v Sandro Ehrat | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2021/02/10 08:55 | Paul Jubb v Marko Tepavac | 3-6,7-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/02/05 07:30 | Marko Tepavac v Arnaud Bovy | 6-7,6-3,2-6 |
| ITF M15 Sharm El Sheikh | 2021/02/04 10:10 | Tobias Simon v Marko Tepavac | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/02/03 11:35 | Giorgio Ricca v Marko Tepavac | 2-6,3-6 |