| ITF Serbia F3 | 2018/08/19 08:00 | Sabit Suntic v Lawrence Bataljin | 4-6,6-4,6-3 |
| ITF Serbia F3 | 2018/08/18 09:30 | Stefan Petrovic v Sabit Suntic | 4-6,3-6 |
| ITF Serbia F2 | 2018/08/11 07:00 | Gorazd Srbljak v Sabit Suntic | 6-3,6-3 |
| ITF Serbia F1 Qual | 2018/08/04 09:30 | Petar Pjevcevic v Sabit Suntic | 6-4,6-1 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/26 09:30 | Andrea Picchione v Sabit Suntic | 6-2,6-2 |
| ITF Turkey F13 | 2018/04/01 10:30 | Ivan Davydov v Sabit Suntic | 6-1,6-1 |
| ITF Turkey F12 | 2018/03/28 07:30 | Altug Celikbilek v Sabit Suntic | 6-3,6-2 |
| ITF Serbia F3 | 2018/08/19 10:30 | Mile Matic v Petros Tsitsipas | 6-2,7-5 |
| ITF Serbia F3 | 2018/08/18 07:00 | Valentin Ivanov v Mile Matic | 1-6,0-6 |
| ITF Serbia F2 | 2018/08/12 10:30 | Mile Matic v Harrison Lombe | 2-6,2-6 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/27 10:30 | Ignacio Carou v Mile Matic | 4-6,6-3,6-2 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/26 07:00 | Vladan Tadic v Mile Matic | 1-6,2-6 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/20 07:00 | Mateo Bubalo v Mile Matic | 6-2,4-6,6-3 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/19 07:00 | Mile Matic v Tadija Radovanovic | 6-4,6-2 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/13 08:00 | Gorazd Srbljak v Mile Matic | 6-2,6-4 |