Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| 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 Almaty 2 | 2018/09/29 09:20 | Khumoyun Sultanov v Simon, Tobias | 7-6,6-4 |
| Orleans, France | 2018/09/26 09:00 | Simon, Tobias v Lorenzo Sonego | 3-6,7-6,3-6 |
| Orleans, France | 2018/09/24 10:35 | Hugo Nys v Simon, Tobias | 4-6,6-3,6-3 |
| Orleans, France | 2018/09/23 12:35 | Hugo Grenier v Simon, Tobias | 3-6,7-6,6-7 |
| Orleans, France | 2018/09/22 15:15 | Simon, Tobias v Puetz, Tim | 6-2,4-6,7-6 |
| Istanbul, Turkey | 2018/09/10 07:30 | Tim Van Rijthoven v Simon, Tobias | 6-3,7-6 |
| 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 | Zhe Li 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 |
| Challenger Shanghai | 2018/09/10 03:00 | Aldin Setkic v Prashanth, N. Vijay Sundar | 6-4,6-4 |
| Challenger Shanghai | 2018/09/09 03:00 | Aldin Setkic v Vishnu Vardhan | 6-4,6-2 |