Round: 44 Ground: Carpet indoor
| ITF Germany F2 | 2017/01/18 15:45 | Rudolf Molleker v Johannes Haerteis | 4-6,6-4,6-4 |
| ITF Germany F1 | 2017/01/11 18:15 | Johannes Haerteis v Patrik Rosenholm | 4-6,5-7 |
| ITF Germany F1 | 2017/01/11 08:00 | Johannes Haerteis v Patrik Rosenholm | 4-6,5-7 |
| ITF Germany F12 | 2016/08/25 09:45 | Jean-Marc Werner v Johannes Haerteis | 6-3,6-3 |
| ITF Germany F12 | 2016/08/24 12:30 | Johannes Haerteis v Robin Kern | 6-3,6-4 |
| ITF Germany F11 | 2016/08/19 12:10 | Andreas Beck v Johannes Haerteis | 6-1,6-1 |
| ITF Germany F11 | 2016/08/18 12:35 | Benjamin Hassan v Johannes Haerteis | 4-6,5-7 |
| ITF Germany F11 | 2016/08/17 12:00 | Daniel Czepielewski v Johannes Haerteis | 2-6,3-6 |
| ITF Germany F3 | 2017/01/22 08:30 | Robin Lang v Yanik Kaelin | 7-6,6-1 |
| ITF Germany F2 | 2017/01/18 12:30 | Robin Lang v Yaraslav Shyla | 4-6,4-6 |
| ITF Germany F2 Qual | 2017/01/16 17:35 | Jonathan Binding v Robin Lang | 6-3,6-7,5-7 |
| ITF Germany F2 Qual | 2017/01/15 12:00 | Robin Lang v Denis Klok | 6-3,7-5 |
| ITF Germany F1 Qual | 2017/01/09 09:00 | Lukas Ollert v Robin Lang | 6-3,6-3 |
| ITF Germany F1 Qual | 2017/01/08 13:00 | Robin Lang v Adrian Bodmer | 6-4,5-7,7-5 |
| ITF Israel F17 | 2016/12/03 11:30 | Robin Lang v Stephan Gerritsen | 6-7,6-7 |
| ITF Germany F17 | 2016/10/31 09:00 | Robin Lang v Benjamin Hassan | 6-3,2-6,4-6 |