Stadium: Court 2 Round: 62 Ground: Clay
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/26 12:30 | Suvajac, Stefan v Nikolic, Milos | 5-7,6-4,4-6 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/21 09:45 | Alexey Aleshchev v Suvajac, Stefan | 6-0,7-5 |
| ITF Bosnia and Herzegovina F2 Qual | 2018/05/19 07:00 | Vehovec, Jan v Suvajac, Stefan | 3-6,4-6 |
| ITF Bosnia and Herzegovina F1 Qual | 2018/05/12 13:30 | Suvajac, Stefan v Latinovic, Stefan | 2-6,7-6,2-6 |
| ITF Hungary F1 Qual | 2018/05/06 08:00 | Ahti, Ville-Petteri v Suvajac, Stefan | 6-4,6-0 |
| ITF Hungary F1 Qual | 2018/05/05 08:00 | Suvajac, Stefan v Nagyi, Norbert | 6-2,6-1 |
| ITF Serbia F1 Qual | 2018/08/04 09:30 | Necz, Andras v Boris Butulija | 6-3,4-6,3-6 |
| ITF Hungary F4 Qual | 2018/06/10 08:00 | Onishi, Ken v Boris Butulija | 6-4,6-7,6-4 |
| ITF Hungary F4 Qual | 2018/06/09 08:00 | Boris Butulija v Kisantal, Dominik | 6-0,6-2 |
| ITF Turkey F22 | 2018/06/03 07:30 | Boris Butulija v Louroi Martinez | 4-6,6-0,2-6 |
| ITF Turkey F22 | 2018/06/02 07:30 | Boris Butulija v Zura Tkemaladze | 6-4,5-7,6-3 |
| ITF Egypt F16 | 2018/04/29 08:00 | Boris Butulija v Exposito, Adrian | 6-7,2-6 |
| ITF Egypt F16 | 2018/04/28 09:00 | Lombe, Harrison v Boris Butulija | 4-6,6-2,4-6 |
| Egypt F15, Singles Qualifying | 2018/04/24 08:00 | Xiviller, Nicolas v Boris Butulija | 7-5,6-4 |