Stadium: Palasport Round: 54 Ground: Hardcourt indoor
| Challenger Andria | 2018/11/17 17:25 | Aldin Setkic v Dragos Nicolae Madaras | 6-3,6-4 |
| Challenger Bratislava | 2018/11/05 10:00 | Jurij Rodionov v Aldin Setkic | 6-7,7-6,6-4 |
| Challenger Bratislava | 2018/11/04 09:00 | Aldin Setkic v Tobias Simon | 7-6,6-4 |
| Challenger Bratislava | 2018/11/03 08:30 | Aldin Setkic v Viktor Durasovic | 6-3,6-4 |
| Challenger Eckental | 2018/10/27 08:45 | Tobias Simon v Aldin Setkic | 3-6,7-6,7-5 |
| Challenger Ismaning | 2018/10/13 15:00 | Aldin Setkic v Sami Reinwein | 6-7,4-6 |
| Challenger Ortisei | 2018/10/08 08:00 | Tobias Simon v Aldin Setkic | 7-6,6-7,7-6 |
| Challenger Ortisei | 2018/10/07 08:00 | Antonio Sancic v Aldin Setkic | 6-7,4-6 |
| Challenger Andria | 2018/11/17 13:00 | Giacomo Dambrosi v Alexander Lazov | 6-7,1-6 |
| Challenger Bratislava | 2018/11/03 16:40 | Alexander Lazov v Andres Artunedo Martinavarr | 7-5,0-6,2-6 |
| ITF Turkey F31 | 2018/10/11 08:55 | Alexander Lazov v Dragos Nicolae Madaras | 1-6,3-6 |
| ITF Turkey F31 | 2018/10/10 09:35 | Alexander Lazov v Koray Kirci | 6-2,6-3 |
| ITF Turkey F30 | 2018/10/04 10:05 | Alexander Lazov v Lucas Gerch | 7-6,3-6,3-6 |
| ITF Turkey F30 | 2018/10/03 08:15 | Alexander Lazov v Philipp Schroll | 6-4,6-4 |
| Challenger Banja Luka | 2018/09/12 08:30 | Johan Sebastien Tatlot v Alexander Lazov | 6-3,6-4 |
| Challenger Banja Luka | 2018/09/11 09:45 | Alexander Lazov v Franjo Raspudic | 6-4,6-1 |