Stadium: Court 4 Round: 26 Ground: Clay
| ITF Serbia F5 | 2018/09/04 08:00 | Dejan Katic v Tomas Liska | 7-6,6-1 |
| ITF Serbia F4 | 2018/08/30 11:35 | Duje Ajdukovic v Dejan Katic | 6-3,7-6 |
| ITF Serbia F4 | 2018/08/29 11:55 | Nikola Puric v Dejan Katic | 1-6,1-6 |
| ITF Serbia F3 | 2018/08/23 08:00 | Ondrej Krstev v Dejan Katic | 6-7,6-3,3-6 |
| ITF Serbia F3 | 2018/08/21 08:00 | Lingxi Zhao v Dejan Katic | 1-6,3-6 |
| ITF Serbia F2 | 2018/08/16 11:25 | Dejan Katic v Simone Roncalli | 2-6,7-6,5-7 |
| ITF Serbia F2 | 2018/08/14 10:05 | Dejan Katic v Nemanja Subanovic | 6-1,6-7,6-4 |
| ITF Serbia F1 | 2018/08/08 09:50 | Dejan Katic v Andrea Picchione | 4-6,6-4,1-6 |
| ITF Serbia F5 | 2018/09/05 14:45 | Stefan Petrovic v Maximilian Gatev | 6-3,5-7,2-6 |
| ITF Serbia F4 | 2018/08/27 09:40 | Alexandros Skorilas v Maximilian Gatev | 6-1,6-2 |
| ITF Serbia F4 | 2018/08/26 07:00 | Filip Stipic v Maximilian Gatev | 3-6,3-6 |
| ITF Serbia F4 | 2018/08/25 07:00 | Gaspar Zimbrek-Turkovic v Maximilian Gatev | 6-4,2-6,3-6 |
| ITF Serbia F3 | 2018/08/22 10:40 | Quentin Folliot v Maximilian Gatev | 6-2,6-4 |
| ITF Serbia F2 | 2018/08/14 08:00 | Maximilian Gatev v Marek Semjan | 7-5,4-6,2-6 |
| ITF Serbia F1 Qual | 2018/08/04 07:00 | Stevan Popovic v Maximilian Gatev | 6-3,6-7,6-3 |
| ITF Spain F19 Qual | 2018/07/14 12:00 | Maximilian Gatev v Alvaro Blanco Damea | 4-6,6-4,3-6 |