Stadium: Court 3 Round: 62 Ground: Clay
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/26 12:30 | Stefan Suvajac v Milos Nikolic | 5-7,6-4,4-6 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/21 09:45 | Alexey Aleshchev v Stefan Suvajac | 6-0,7-5 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/19 07:00 | Jan Vehovec v Stefan Suvajac | 3-6,4-6 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/12 13:30 | Stefan Suvajac v Stefan Latinov | 2-6,7-6,2-6 |
| ITF Hungary F1 Qual | 2018/05/06 08:00 | Ville-Petteri Ahti v Stefan Suvajac | 6-4,6-0 |
| ITF Hungary F1 Qual | 2018/05/05 08:00 | Stefan Suvajac v Norbert Nagyi | 6-2,6-1 |
| ITF Hungary F5 Qual | 2018/06/18 08:00 | Mike Urbanija v Nemanja Subanovic | 6-2,6-3 |
| ITF Hungary F5 Qual | 2018/06/17 08:00 | Nemanja Subanovic v Daniel Kopeinigg | 6-4,6-2 |
| ITF Hungary F5 Qual | 2018/06/16 08:00 | Dominik Kisantal v Nemanja Subanovic | 2-6,2-6 |
| ITF Hungary F4 Qual | 2018/06/10 11:00 | Karl Friberg v Nemanja Subanovic | 6-1,6-4 |
| ITF Hungary F4 Qual | 2018/06/09 08:00 | Philip Bachmaier v Nemanja Subanovic | 3-6,2-6 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/28 16:05 | Nemanja Subanovic v Milos Nikolic | 2-6,3-6 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/27 10:30 | Nemanja Subanovic v Stefan Granolic | 6-3,6-2 |
| ITF Hungary F1 | 2018/05/08 09:35 | Peter Makk v Nemanja Subanovic | 6-7,2-6 |