Stadium: Court 3 Round: 25 Ground: Clay
| ITF Serbia F1 | 2018/08/08 09:50 | Dejan Katic v Andrea Picchione | 4-6,6-4,1-6 |
| ITF Ukraine F3 | 2018/05/22 10:45 | Oleg Dolgosheyev v Dejan Katic | 6-4,6-3 |
| ITF Ukraine F2 | 2018/05/15 10:55 | Nazar Achour v Dejan Katic | 6-3,6-4 |
| ITF Ukraine F1 | 2018/05/09 10:15 | Daniil Strelchenko v Dejan Katic | 1-6,6-7 |
| ITF Ukraine F1 | 2018/05/08 13:10 | Vitalii Shcherba v Dejan Katic | 7-5,3-6,6-7 |
| ITF Egypt F13 | 2018/04/10 08:00 | Dejan Katic v Tom Jomby | 1-6,7-6,3-6 |
| ITF Egypt F12 | 2018/04/03 08:00 | Dejan Katic v Issam Haitham Taweel | 6-3,3-6,4-6 |
| ITF Egypt F11 | 2018/03/28 13:00 | Jorge Blanco Guadalupe v Dejan Katic | 6-7,7-6,6-4 |
| ITF Slovakia F1 | 2018/07/22 08:00 | Nemanja Subanovic v Alessandro Ricci | 1-6,0-6 |
| ITF Slovakia F1 | 2018/07/21 08:00 | Nemanja Subanovic v Adam Blecha | 2-6,7-6,7-5 |
| ITF Hungary F5 Qual | 2018/06/18 08:00 | Mike Urbanija v Nemanja Subanovic | 6-2,6-3 |
| ITF Hungary F5 Qual | 2018/06/17 08:00 | Nemanja Subanovic v Daniel Kopeinigg | 6-4,6-2 |
| ITF Hungary F5 Qual | 2018/06/16 08:00 | Dominik Kisantal v Nemanja Subanovic | 2-6,2-6 |
| ITF Hungary F4 Qual | 2018/06/10 11:00 | Karl Friberg v Nemanja Subanovic | 6-1,6-4 |
| ITF Hungary F4 Qual | 2018/06/09 08:00 | Philip Bachmaier v Nemanja Subanovic | 3-6,2-6 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/28 16:05 | Nemanja Subanovic v Milos Nikolic | 2-6,3-6 |