Stadium: Court 1 Round: 62 Ground: Clay
| 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 |
| ITF Hungary F1 Qual | 2018/05/07 09:25 | Edoardo Sardella v Nemanja Subanovic | 6-3,5-7,3-6 |
| ITF Croatia F3 | 2018/03/19 11:00 | Mike Urbanija v Nemanja Subanovic | 3-6,6-4,6-2 |
| ITF Croatia F3 | 2018/03/18 13:00 | Martin Zeljenka v Nemanja Subanovic | 5-7,1-6 |
| ITF Croatia F2 | 2018/03/10 08:00 | Simone Camposeo v Nemanja Subanovic | 4-6,7-6,7-5 |
| ITF Serbia F3 Qual | 2017/08/19 07:00 | Lawrence Bataljin v Nemanja Subanovic | 0-6,6-4,6-0 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/27 13:30 | Jan Vehovec v Milos Nikolic | 5-7,3-6 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/26 12:30 | Stefan Suvajac v Milos Nikolic | 5-7,6-4,4-6 |
| 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 |