Stadium: Court 2 Round: 46 Ground: Clay
| Challenger Como | 2018/08/25 13:35 | Daniel Masur v Andreas Haider-Maurer | 3-6,6-2,6-3 |
| Challenger Meerbusch | 2018/08/14 13:45 | Andreas Haider-Maurer v Jan Choinski | 1-6,4-6 |
| Challenger Pullach Qual | 2018/08/05 11:50 | Andreas Haider-Maurer v George Von Massow | 5-7,6-7 |
| Challenger Pullach Qual | 2018/08/04 13:45 | Andreas Haider-Maurer v Sebastian Fanselow | 6-3,7-5 |
| Challenger Liberec Qual | 2018/07/28 14:00 | George Von Massow v Andreas Haider-Maurer | 3-6,6-3,6-2 |
| Challenger Padova Qual | 2018/07/21 11:30 | Andreas Haider-Maurer v Jonathan Kanar | 7-5,4-6,6-7 |
| Challenger Marburg Qual | 2018/07/01 09:00 | Dragos Dima v Andreas Haider-Maurer | 6-4,6-3 |
| Challenger Marburg Qual | 2018/06/30 10:35 | Gibril Diarra v Andreas Haider-Maurer | 3-6,5-7 |
| Challenger Genova | 2018/09/02 09:40 | Edoardo Eremin v Alen Avidzba | 3-6,6-4,3-6 |
| ITF Switzerland F3 | 2018/08/25 14:00 | Johan Nikles v Alen Avidzba | 6-2,7-5 |
| ITF Switzerland F3 | 2018/08/24 09:30 | Luca Staeheli v Alen Avidzba | 0-6,2-6 |
| ITF Switzerland F3 | 2018/08/23 13:30 | Patrik Hartmeier v Alen Avidzba | 3-6,0-6 |
| ITF Switzerland F3 | 2018/08/22 11:25 | Benjamin Pietri v Alen Avidzba | 3-6,6-4,3-6 |
| Challenger Meerbusch Qual | 2018/08/12 08:00 | Alen Avidzba v Evgeny Tyurnev | 6-0,4-6,6-7 |
| Challenger Meerbusch Qual | 2018/08/11 08:00 | Vit Kopriva v Alen Avidzba | 6-7,6-3,5-7 |
| Challenger Pullach | 2018/08/08 12:00 | Alen Avidzba v Gianluca Mager | 6-7,3-6 |