Stadium: Center Court Round: 54 Ground: Clay
| Challenger Meerbusch Qual | 2018/08/11 13:20 | Raul Brancaccio v Julian Lenz | 6-1,6-2 |
| Challenger Pullach Qual | 2018/08/05 10:00 | Julian Lenz v Gianluca Mager | 4-6,3-6 |
| Challenger Pullach Qual | 2018/08/04 09:00 | Marc Sieber v Julian Lenz | 4-6,6-4,4-6 |
| ITF Germany F8 | 2018/07/21 14:35 | Orlando Luz v Julian Lenz | 6-3,6-3 |
| ITF Germany F8 | 2018/07/20 15:10 | Bruno Santanna v Julian Lenz | 6-2,1-6,2-6 |
| ITF Germany F8 | 2018/07/19 15:40 | Julian Lenz v Jordi Samper-Montana | 6-1,6-2 |
| ITF Germany F8 | 2018/07/17 15:45 | Pedro Sakamoto v Julian Lenz | 5-7,1-6 |
| Challenger Marburg | 2018/07/06 14:00 | Hugo Dellien v Julian Lenz | 6-3,6-3 |
| ITF Austria F6 | 2018/08/04 12:45 | Jakob Aichhorn v Laurin Aerne | 6-0,6-1 |
| ITF Austria F6 | 2018/08/04 07:00 | Laurin Aerne v Alexander Abou Boutros | 6-0,6-0 |
| ITF Belgium F6 Qual | 2018/07/28 12:00 | Laurin Aerne v Antoine Damiens | 3-6,2-6 |
| ITF Austria F2 | 2018/07/07 07:15 | Thibault Cancel v Laurin Aerne | 6-2,6-4 |
| ITF Austria F1 | 2018/07/02 09:00 | Laurin Aerne v Mick Veldheer | 4-6,4-6 |
| ITF Austria F1 | 2018/07/01 10:35 | Laurin Aerne v Dominik Hruncak | 6-2,6-0 |
| ITF Austria F1 | 2018/06/30 11:00 | Jonathan Stenberg v Laurin Aerne | 0-6,6-7 |
| ITF Austria F1 | 2018/06/30 09:30 | Laurin Aerne v Christian Fellin | 6-4,6-1 |