Stadium: Court 9 Round: 62 Ground: Clay
| ITF Germany F9 | 2018/07/22 11:00 | Mislav Bosnjak v Patrik Hartmeier | 6-7,1-6 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Patrik Hartmeier v Tomas Jirousek | 6-7,3-6 |
| ITF Germany F4 | 2018/06/18 10:00 | Patrik Hartmeier v Vadym Kalyuzhnyy | 4-6,2-6 |
| ITF Portugal F3 | 2018/03/05 17:00 | Vullnet Tashi v Patrik Hartmeier | 4-6,7-5,6-4 |
| ITF Portugal F3 | 2018/03/03 12:30 | Jesse Paul Krattiger v Patrik Hartmeier | 1-6,2-6 |
| ITF Portugal F2 Qual | 2018/02/24 12:30 | Francisco P Bascon v Patrik Hartmeier | 6-4,6-4 |
| ITF Portugal F1 | 2018/02/18 13:00 | Yanik Kaelin v Patrik Hartmeier | 7-6,6-3 |
| ITF Portugal F1 | 2018/02/17 12:30 | Patrik Hartmeier v Joao Graca | 6-3,6-7,6-2 |
| ITF Germany F9 | 2018/07/22 11:00 | Tillmann Erdbories v Marvin Rehberg | 7-5,6-3 |
| ITF Germany F8 Qual | 2018/07/15 12:00 | Joao Souza v Tillmann Erdbories | 4-6,6-1,7-5 |
| ITF Germany F8 Qual | 2018/07/15 08:00 | Dominik Langmajer v Tillmann Erdbories | 4-6,1-6 |
| Challenger Braunschweig Qual | 2018/07/07 11:30 | Tillmann Erdbories v Jordi Samper-Montana | 2-6,0-6 |
| Challenger Braunschweig Qual | 2018/07/07 07:30 | Peter Goldsteiner v Tillmann Erdbories | 1-6,4-6 |
| ITF Netherlands F2 | 2018/07/04 08:00 | Tillmann Erdbories v Stephan Gerritsen | 7-5,5-7,4-6 |
| ITF Netherlands F2 Qual | 2018/07/02 11:45 | Valentin Guenther v Tillmann Erdbories | 6-7,6-1,2-6 |
| ITF Netherlands F2 Qual | 2018/07/01 08:00 | Nick Broekhof v Tillmann Erdbories | 6-4,3-6,1-6 |