Stadium: Court 4 Round: 25 Ground: Clay
| ITF Bosnia and Herzegovina F3 | 2018/05/30 11:40 | Milenkovic, Nebojsa v Radinski, Aljaz | 4-6,4-6 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/19 09:30 | Alexey Aleshchev v Milenkovic, Nebojsa | 6-1,6-3 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/13 10:30 | Milenkovic, Nebojsa v Dabic, Milos | 1-6,4-6 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/12 13:30 | Jocic, Aleksandar v Milenkovic, Nebojsa | 4-6,4-6 |
| Turkey F14, Singles Qualifying | 2018/04/07 07:30 | Georgescu, Matei Adrian v Milenkovic, Nebojsa | 4-6,6-0,6-3 |
| ITF Macedonia F1 | 2017/07/26 08:00 | Durguti, Besir v Milenkovic, Nebojsa | 6-1,6-3 |
| ITF Bosnia and Herzegovina F3 | 2017/06/04 12:00 | Savin, Roko v Milenkovic, Nebojsa | 6-2,6-1 |
| ITF Bosnia and Herzegovina F3 | 2017/06/03 13:00 | Milenkovic, Nebojsa v Ivanov, Klim | 6-0,6-3 |
| ITF Slovakia F2 | 2018/07/31 10:00 | Antonio Massara v Szintai, David | 6-2,6-3 |
| ITF Hungary F5 | 2018/06/19 12:00 | Paroulek, Tadeas v Szintai, David | 6-4,6-4 |
| ITF Hungary F4 | 2018/06/13 10:35 | Szintai, David v Mate Valkusz | 4-6,0-6 |
| ITF Hungary F3 | 2018/05/24 08:30 | Bensoussan, Samuel v Szintai, David | 6-2,1-6,6-3 |
| ITF Hungary F3 | 2018/05/23 08:00 | Szintai, David v Mate Valkusz | 7-5,6-1 |
| ITF Hungary F3 | 2018/05/22 08:00 | Yanais Laurent v Szintai, David | 1-6,1-6 |
| ITF Hungary F2 | 2018/05/15 12:30 | Szintai, David v Sieber, Marc | 4-6,3-6 |
| ITF Hungary F1 | 2018/05/09 09:00 | Szintai, David v Rikl, Patrik | 7-6,1-6,3-6 |