Stadium: Court 1 Round: 45 Ground: Carpet indoor
| Challenger Ortisei | 2018/10/08 08:00 | Simon, Tobias v Aldin Setkic | 7-6,6-7,7-6 |
| Brest, France | 2018/10/21 13:45 | Brkic, Tomislav v Simon, Tobias | 6-2,6-0 |
| Brest, France | 2018/10/20 13:05 | Arthur Rinderknech v Simon, Tobias | 6-7,7-6,3-6 |
| Challenger Ismaning | 2018/10/14 12:40 | Simon, Tobias v Erler, Alexander | 6-7,6-4,6-7 |
| Challenger Ismaning | 2018/10/13 17:10 | Evan Furness v Simon, Tobias | 2-6,6-7 |
| Challenger Ortisei | 2018/10/09 08:30 | Simon, Tobias v Ricardas Berankis | 6-7,4-6 |
| Challenger Ortisei | 2018/10/08 08:00 | Simon, Tobias v Aldin Setkic | 7-6,6-7,7-6 |
| Challenger Ortisei | 2018/10/07 08:00 | Heyman, Christopher v Simon, Tobias | 3-6,6-7 |
| Challenger Ortisei | 2018/10/06 08:00 | Simon, Tobias v Fellin, Pietro Orlando | 6-2,6-1 |
| Challenger Ismaning | 2018/10/13 15:00 | Aldin Setkic v Reinwein, Sami | 6-7,4-6 |
| Challenger Ortisei | 2018/10/08 08:00 | Simon, Tobias v Aldin Setkic | 7-6,6-7,7-6 |
| Challenger Ortisei | 2018/10/07 08:00 | Sancic, Antonio v Aldin Setkic | 6-7,4-6 |
| Challenger Ortisei | 2018/10/06 08:00 | Reinwein, Sami v Aldin Setkic | 7-6,0-6,6-7 |
| Challenger Sibiu | 2018/09/18 07:00 | Aldin Setkic v Krawietz, Kevin | 5-7,2-6 |
| Challenger Shanghai | 2018/09/14 03:00 | Li, Zhe v Aldin Setkic | 6-4,6-0 |
| Challenger Shanghai | 2018/09/13 03:00 | Aldin Setkic v Rigele Te | 6-3,7-6 |
| Challenger Shanghai | 2018/09/11 07:00 | Aldin Setkic v Yunseong Chung | 6-3,6-4 |