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