Round: 62 Ground: Clay
| ITF Serbia F2 | 2018/08/12 08:00 | Radinski, Aljaz v Dragovic, Stefan | 6-2,7-5 |
| ITF Serbia F2 | 2018/08/11 07:00 | Radinski, Aljaz v Iordache, Sorin Andrei | 6-0,6-1 |
| Portoroz, Slovénie | 2018/08/06 15:00 | Kamke, Tobias v Radinski, Aljaz | 6-0,6-2 |
| ITF Slovakia F1 | 2018/07/21 11:00 | Radinski, Aljaz v Mayeul Darras | 4-6,6-2,6-2 |
| ITF Austria F3 | 2018/07/14 07:15 | Muzaev, Richard v Radinski, Aljaz | 6-1,6-0 |
| ITF Hungary F5 Qual | 2018/06/16 10:30 | Paroulek, Tadeas v Radinski, Aljaz | 7-5,6-3 |
| ITF Bosnia and Herzegovina F3 | 2018/05/31 12:00 | David Pichler v Radinski, Aljaz | 6-3,6-7,6-4 |
| ITF Bosnia and Herzegovina F3 | 2018/05/30 11:40 | Milenkovic, Nebojsa v Radinski, Aljaz | 4-6,4-6 |
| 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 Bosnia and Herzegovina F1 Qual | 2018/05/14 08:00 | Rajic, Dusan v Maric, Filip | 4-6,4-6 |