Stadium: Center Court Round: 46 Ground: Carpet indoor
| 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 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 |
| Challenger Ismaning | 2018/10/13 18:00 | Erler, Alexander v Elmar Ejupovic | 6-3,6-4 |
| Challenger Ortisei | 2018/10/08 08:00 | Erler, Alexander v Benjamin Hassan | 6-7,4-6 |
| Challenger Ortisei | 2018/10/07 09:30 | Benjamin Bonzi v Erler, Alexander | 6-7,3-6 |
| Challenger Ortisei | 2018/10/06 10:30 | Kerschbaumer, Michael v Erler, Alexander | 6-7,3-6 |
| ITF Egypt F20 | 2018/09/30 09:00 | Erler, Alexander v Gennaro, Dante | 6-4,6-1 |
| ITF Egypt F20 | 2018/09/29 10:00 | Jordan Correia Passos Do Carmo v Erler, Alexander | 6-7,3-6 |
| ITF Egypt F20 | 2018/09/28 08:00 | Erler, Alexander v Hajek, Petr | 2-6,6-3,6-2 |
| ITF Egypt F20 | 2018/09/27 08:00 | Erler, Alexander v Krstev, Ondrej | 6-4,6-4 |