Stadium: Court 2 Round: 25 Ground: Clay
| ITF Serbia F1 Qual | 2018/08/06 08:00 | Dusan Rajic v Macsen Sisam | 6-2,6-4 |
| ITF Serbia F1 Qual | 2018/08/05 10:30 | Dusan Rajic v Aleksa Ciric | 6-7,6-3,6-3 |
| ITF Slovakia F1 | 2018/07/21 08:00 | Dusan Rajic v Stepan Holis | 4-6,4-6 |
| ITF Czech Republic F6 Qual | 2018/07/07 09:30 | Adrian Andrzejczuk v Dusan Rajic | 6-4,6-3 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/19 09:30 | Dusan Rajic v Bogdan Bajic | 5-7,0-6 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/14 08:00 | Dusan Rajic v Filip Maric | 4-6,4-6 |
| ITF Hungary F1 | 2018/05/07 12:00 | Filip Horansky v Dusan Rajic | 6-2,6-2 |
| ITF Croatia F3 | 2018/03/19 12:30 | Constantin Christ v Dusan Rajic | 7-6,0-6,7-5 |
| ITF Austria F5 | 2018/08/03 10:30 | Jonas Trinker v Tomislav Jotovski | 3-6,6-2,7-6 |
| ITF Austria F5 | 2018/08/02 11:05 | Sven Lah v Tomislav Jotovski | 5-7,2-6 |
| ITF Austria F5 | 2018/07/31 10:20 | Neil Oberleitner v Tomislav Jotovski | 4-6,4-6 |
| ITF Austria F4 | 2018/07/23 14:20 | Tomislav Jotovski v Stefano Battaglino | 4-6,4-6 |
| ITF Austria F3 | 2018/07/16 10:00 | Nerman Fatic v Tomislav Jotovski | 7-6,6-2 |
| ITF Austria F2 | 2018/07/12 11:15 | Eduardo Dischinger v Tomislav Jotovski | 6-0,1-6,7-6 |
| ITF Austria F2 | 2018/07/11 09:00 | Fermin Tenti v Tomislav Jotovski | 1-6,6-3,4-6 |
| ITF Austria F2 | 2018/07/10 10:30 | Philipp Schroll v Tomislav Jotovski | 6-7,1-6 |