Stadium: Court 2 Round: 25 Ground: Clay
| ITF Serbia F1 Qual | 2018/08/06 09:35 | Vidak, Antun v Novak, Marko | 6-3,6-0 |
| ITF Serbia F1 Qual | 2018/08/05 10:30 | Mubarak, Abdulhamid v Vidak, Antun | 1-6,5-7 |
| ITF Serbia F1 Qual | 2018/08/04 07:00 | Vidak, Antun v Vukovic, Milos | 4-6,6-4,6-4 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/27 08:00 | Rogic Hadzalic, Alen v Vidak, Antun | 7-6,7-5 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/19 12:00 | Vidak, Antun v Alexandros Skorilas | 3-6,4-6 |
| ITF Croatia F3 | 2018/03/21 10:10 | Vidak, Antun v Kranic, Karlo | 3-6,3-6 |
| ITF Croatia F3 | 2018/03/20 08:30 | Vidak, Antun v Karlo Cubelic | 6-2,6-4 |
| ITF Croatia F2 | 2018/03/14 12:55 | Vidak, Antun v Sabanov, Matej | 6-4,6-7,4-6 |
| ITF Czech Republic F4 | 2018/06/28 13:50 | Paroulek, Tadeas v Miladinovic, Marko | 3-6,6-2,6-1 |
| ITF Czech Republic F4 | 2018/06/27 08:00 | Miladinovic, Marko v Matos, Rafael | 6-3,6-4 |
| ITF Czech Republic F4 | 2018/06/25 10:00 | David Poljak v Miladinovic, Marko | 6-4,1-6,2-6 |
| ITF Hungary F5 | 2018/06/18 12:30 | Miladinovic, Marko v Fred Simonsson | 0-6,2-6 |
| ATP Geneva Qual | 2018/05/20 09:00 | Miladinovic, Marko v Bernabe Zapata Miralles | 4-6,1-6 |
| ATP Geneva Qual | 2018/05/19 08:00 | Donati, Matteo v Miladinovic, Marko | 2-6,4-6 |
| Turkey F17, Singles Qualifying | 2018/05/03 09:00 | Miladinovic, Marko v Delic, Mate | 6-3,6-7,0-6 |
| Turkey F17, Singles Qualifying | 2018/05/02 09:10 | Mikhail Korovin v Miladinovic, Marko | 0-6,2-6 |