Round: 62 Ground: Clay
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/26 07:00 | Zvonimir Oreskovic v Stefan Dragovic | 6-4,7-5 |
| ITF Bulgaria F1 | 2018/05/17 10:45 | Zvonimir Oreskovic v Calin Manda | 1-6,1-6 |
| ITF Bulgaria F1 | 2018/05/16 08:52 | Yan Sabanin v Zvonimir Oreskovic | 1-1 |
| ITF Hungary F1 Qual | 2018/05/05 10:00 | Filip Maric v Zvonimir Oreskovic | 7-6,2-6,6-4 |
| ITF Croatia F3 | 2018/03/20 10:00 | Vasile Antonescu v Zvonimir Oreskovic | 6-3,6-3 |
| ITF Croatia F2 | 2018/03/12 14:15 | Zvonimir Oreskovic v Karlo Kranic | 2-6,4-6 |
| ITF Croatia F2 | 2018/03/12 08:00 | Nemanja Malesevic v Zvonimir Oreskovic | 0-6,6-3,6-7 |
| ITF Croatia F2 | 2018/03/10 10:00 | Zvonimir Oreskovic v Kaiwei Wang | 6-1,6-3 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/20 07:00 | Milos Vukovic v Jeremy Schneider | 4-6,1-6 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/12 07:00 | Mateo Bubalo v Milos Vukovic | 2-6,1-6 |
| ITF Serbia F5 Qual | 2017/09/03 07:00 | Domagoj Biljesko v Milos Vukovic | 6-2,6-0 |
| ITF Serbia F3 Qual | 2017/08/19 09:30 | Milos Vukovic v Milos Dabic | 1-6,4-6 |
| ITF Serbia F2 Qual | 2017/08/12 08:00 | Melik Feler v Milos Vukovic | 6-2,6-4 |
| ITF Serbia F1 Qual | 2017/08/05 09:30 | Petar Pjevcevic v Milos Vukovic | 7-5,6-3 |