| ITF Germany F12 | 2017/08/22 08:00 | Kai Lemstra v Lang, Robin | 4-6,6-0,1-6 |
| ITF Germany F12 | 2017/08/20 08:00 | Lang, Robin v Ramazan Nureev | 6-4,6-1 |
| ITF Germany F11 | 2017/08/16 16:05 | Fallert, Florian v Lang, Robin | 6-1,6-3 |
| ITF Germany F11 | 2017/08/14 09:00 | Lang, Robin v Link, Joel Vincent | 7-6,6-0 |
| ITF Germany F11 | 2017/08/13 13:00 | Lang, Robin v Quinti, Adriano | 6-4,6-0 |
| ITF Germany F10 | 2017/08/07 10:00 | Chaukulkar, Tejas v Lang, Robin | 7-5,6-4 |
| ITF Germany F10 | 2017/08/06 13:00 | Guttau, Niklas v Lang, Robin | 2-6,6-4,3-6 |
| ITF Germany F4 | 2017/06/18 08:00 | Lang, Robin v Hoeveler, Leon | 0-6,5-7 |
| ITF Germany F12 | 2017/08/23 12:30 | Obert, Adrian v Louis Wessels | 4-6,5-7 |
| ITF Netherlands F5 | 2017/08/15 08:00 | Van Terheijden, Tim v Louis Wessels | 6-2,7-6 |
| ATP Hamburg Qual | 2017/07/22 13:50 | Louis Wessels v Mayer, Leonardo | 3-6,2-6 |
| Germany F8, Singles | 2017/07/19 10:00 | Louis Wessels v Moraing, Mats | 1-6,6-3,2-6 |
| Braunchsweig, Germany | 2017/07/11 09:00 | Louis Wessels v Oscar Otte | 1-6,4-6 |
| ITF Germany F6 | 2017/07/05 13:15 | Louis Wessels v Tim Ruehl | 3-6,4-6 |
| ITF Germany F5 | 2017/07/01 14:35 | Louis Wessels v Antoine Hoang | 1-6,5-7 |
| ITF Germany F5 | 2017/06/30 15:10 | Paul Woerner v Louis Wessels | 3-6,6-4,4-6 |