Stadium: Court 6 Round: 25 Ground: Clay
| ITF Finland F4 | 2018/11/14 15:00 | Otto Virtanen v Patrik Niklas-Salminen | 6-3,7-6 |
| ITF Finland F4 | 2018/11/13 15:50 | Mikko Rouvala v Patrik Niklas-Salminen | 0-6,0-6 |
| Challenger Bratislava | 2018/11/04 10:20 | Alexander Bublik v Patrik Niklas-Salminen | 6-4,7-6 |
| Challenger Bratislava | 2018/11/03 11:15 | Samuel Puskar v Patrik Niklas-Salminen | 2-6,3-6 |
| Challenger Eckental | 2018/10/28 10:00 | Alexander Bublik v Patrik Niklas-Salminen | 7-6,6-3 |
| Challenger Ismaning | 2018/10/13 13:30 | Geoffrey Blancaneaux v Patrik Niklas-Salminen | 6-4,6-3 |
| ITF Sweden F5 | 2018/10/06 10:00 | Emil Ruusuvuori v Patrik Niklas-Salminen | 6-4,6-4 |
| ITF Sweden F5 | 2018/10/05 14:30 | Patrik Niklas-Salminen v Jonathan Mridha | 7-6,6-4 |
| ITF Serbia F5 | 2018/09/05 13:05 | Thomas Bosancic v Dusan Obradovic | 6-3,6-3 |
| ITF Serbia F4 | 2018/08/26 10:00 | Dusan Obradovic v Duje Ajdukovic | 2-6,6-4,3-6 |
| ITF Serbia F4 | 2018/08/25 10:00 | Dusan Obradovic v Stevan Popovic | 5-7,6-4,6-3 |
| ITF Serbia F3 | 2018/08/19 10:30 | Milos Vukovic v Dusan Obradovic | 7-5,6-4 |
| ITF Serbia F3 | 2018/08/18 07:00 | Nitin Gunduboina v Dusan Obradovic | 1-6,6-3,4-6 |
| ITF Serbia F2 | 2018/08/11 07:00 | Dusan Obradovic v Barnaby Smith | 4-6,4-6 |
| ITF Serbia F1 Qual | 2018/08/05 08:00 | Gorazd Srbljak v Dusan Obradovic | 6-1,6-2 |
| ITF Serbia F1 Qual | 2018/08/04 07:00 | Stefan Cizelj-Zivkovic v Dusan Obradovic | 6-7,6-3,2-6 |