Stadium: Court 3 Round: 46 Ground: Hardcourt indoor
| Challenger Astana | 2018/07/16 07:50 | Saketh Myneni v Aldin Setkic | 7-6,4-6,6-4 |
| Challenger Recanati | 2018/07/05 15:35 | Adrian Menendez-Maceiras v Aldin Setkic | 6-2,4-6,6-4 |
| Challenger Recanati | 2018/07/03 18:20 | Aldin Setkic v Tomas Barrios Vera | 4-6,6-3,6-4 |
| Challenger Recanati Qual | 2018/07/02 11:40 | Aldin Setkic v Alessandro Bega | 6-2,4-6,7-5 |
| Challenger Recanati Qual | 2018/07/01 13:35 | Aldin Setkic v Zhizhen Zhang | 5-7,6-4,6-4 |
| Challenger Recanati Qual | 2018/06/30 16:10 | Aldin Setkic v Volodymyr Uzhylovskyi | 6-1,6-4 |
| Challenger Fergana | 2018/06/22 10:35 | Egor Gerasimov v Aldin Setkic | 6-3,7-6 |
| Challenger Fergana | 2018/06/20 08:15 | Aldin Setkic v Duckhee Lee | 6-2,6-3 |
| ITF Portugal F12 | 2018/07/27 11:30 | Nuno Borges v Tobias Simon | 6-7,6-2,6-4 |
| ITF Portugal F12 | 2018/07/26 15:00 | Simon Carr v Tobias Simon | 4-6,3-6 |
| ITF Portugal F12 | 2018/07/25 14:50 | Daniel Batista v Tobias Simon | 4-6,3-6 |
| Challenger Nottingham | 2018/06/12 14:30 | James Ward v Tobias Simon | 6-4,6-7,7-6 |
| Challenger Nottingham Qual | 2018/06/11 10:00 | Christopher Eubanks v Tobias Simon | 3-6,7-6,6-7 |
| Challenger Nottingham Qual | 2018/06/10 10:00 | Alexis Canter v Tobias Simon | 1-6,2-6 |
| Challenger Nottingham Qual | 2018/06/09 10:00 | Adam Jones v Tobias Simon | 3-6,4-6 |
| ITF Romania F2 | 2018/05/30 10:45 | Tobias Simon v Marko Tepavac | 2-6,3-6 |