Stadium: Court 1 Round: 62 Ground: Clay
| ITF Serbia F4 | 2018/08/25 07:00 | Feda Bilic v Stefan Suvajac | 6-2,6-0 |
| ITF Serbia F3 | 2018/08/20 10:25 | Stefan Suvajac v Nemanja Subanovic | 4-6,2-6 |
| ITF Serbia F3 | 2018/08/19 12:30 | Abdulhamid Mubarak v Stefan Suvajac | 4-6,6-3,1-6 |
| ITF Serbia F3 | 2018/08/18 09:30 | Ivan Randjelovic v Stefan Suvajac | 7-5,4-6,1-6 |
| ITF Serbia F2 | 2018/08/12 08:00 | Alexandros Skorilas v Stefan Suvajac | 6-1,6-3 |
| ITF Serbia F1 Qual | 2018/08/05 10:30 | Stefan Suvajac v Boris Butulija | 3-6,5-7 |
| 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 F1 Qual | 2018/05/13 08:00 | Andrea Picchione v Paul Spencer | 4-6,6-2,6-3 |