Stadium: Court 4 Round: 62 Ground: Clay
| 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 Turkey F20 | 2018/05/22 07:30 | Koray Kirci v Milos Nikolic | 5-7,6-0,6-3 |
| ITF Turkey F20 Qual | 2018/05/21 09:10 | Greg Polmans v Milos Nikolic | 5-7,2-6 |
| ITF Turkey F20 Qual | 2018/05/20 07:30 | Osmancan Soyler v Milos Nikolic | 2-6,1-6 |
| ITF Turkey F19 Qual | 2018/05/14 07:30 | Amaury Delmas v Milos Nikolic | 7-6,6-4 |
| ITF Hungary F1 Qual | 2018/05/06 08:00 | Milos Nikolic v Cristian Stefan Moldovan | 6-4,7-5 |
| ITF Italy F8 Qual | 2018/04/14 13:00 | Geronimo E Busleiman v Milos Nikolic | 6-3,6-0 |
| ITF Italy F7 Qual | 2018/04/08 12:00 | Facundo Juarez v Milos Nikolic | 4-6,6-0,7-5 |
| ITF Italy F7 Qual | 2018/04/07 13:00 | Milos Nikolic v Hans Albert Schubert | 6-1,5-7,6-2 |