Stadium: Court 2 Round: 25 Ground: Clay
| ITF Serbia F2 | 2018/08/13 08:00 | Radinski, Aljaz v Rajic, Dusan | 5-7,5-7 |
| ITF Serbia F2 | 2018/08/11 07:00 | Popovic, Andrej v Rajic, Dusan | 1-6,3-6 |
| ITF Serbia F1 | 2018/08/08 12:45 | Rajic, Dusan v Jotovski, Tomislav | 4-6,4-6 |
| ITF Serbia F1 Qual | 2018/08/06 08:00 | Rajic, Dusan v Sisam, Macsen | 6-2,6-4 |
| ITF Serbia F1 Qual | 2018/08/05 10:30 | Rajic, Dusan v Aleksa Ciric | 6-7,6-3,6-3 |
| ITF Slovakia F1 | 2018/07/21 08:00 | Rajic, Dusan v Holis, Stepan | 4-6,4-6 |
| Czech Republic F6, Singles Qualifying | 2018/07/07 09:30 | Andrzejczuk, Adrian v Rajic, Dusan | 6-4,6-3 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/19 09:30 | Rajic, Dusan v Bajic, Bogdan | 5-7,0-6 |
| ITF Serbia F2 | 2018/08/13 08:00 | Durguti, Besir v Kapiris, Stamatis | 6-3,6-2 |
| ITF Serbia F2 | 2018/08/12 08:00 | Gurevich, Victor v Durguti, Besir | 2-6,1-6 |
| ITF Serbia F1 Qual | 2018/08/05 08:00 | Durguti, Besir v Pjevcevic, Petar | 5-7,2-6 |
| ITF Serbia F1 Qual | 2018/08/04 07:00 | Durguti, Besir v Jocic, Aleksandar | 6-0,6-3 |
| ITF Austria F4 Qual | 2018/07/21 10:00 | Nareyka, Bjorn v Durguti, Besir | 6-0,7-6 |
| ITF Hungary F5 Qual | 2018/06/17 08:00 | Durguti, Besir v Gorazd Srbljak | 1-6,2-6 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/28 09:00 | Andrea Picchione v Durguti, Besir | 2-6,6-1,6-3 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/20 14:00 | Durguti, Besir v Puljic, Luka | 6-7,6-3,4-6 |