Round: 25 Ground: Carpet indoor
| Challenger Koblenz | 2017/01/22 13:00 | Ruben Bemelmans v Nils Langer | 6-4,3-6,7-6 |
| Challenger Koblenz | 2017/01/21 15:00 | Nils Langer v Daniel Masur | 6-1,6-3 |
| Challenger Koblenz | 2017/01/20 18:50 | Daniel Brands v Nils Langer | 6-7,2-6 |
| Challenger Koblenz | 2017/01/19 10:00 | Nils Langer v Alessandro Giannessi | 6-2,6-0 |
| Challenger Koblenz | 2017/01/18 14:15 | Yannik Reuter v Nils Langer | 1-6,3-6 |
| Challenger Koblenz Qual | 2017/01/16 15:50 | Adrian Ungur v Nils Langer | 4-6,0-6 |
| Challenger Koblenz Qual | 2017/01/16 09:00 | Nils Langer v Edan Leshem | 7-5,6-4 |
| Challenger Koblenz Qual | 2017/01/15 08:00 | Nils Langer v Raphael Loukas | 6-1,6-1 |
| ITF Czech Republic F10 | 2016/11/21 09:30 | Robin Kern v Adam Chadaj | 4-6,0-6 |
| ITF Germany F17 | 2016/11/04 15:05 | Yannik Reuter v Robin Kern | 6-4,6-1 |
| ITF Germany F17 | 2016/11/03 15:45 | Stephan Gerritsen v Robin Kern | 4-6,2-6 |
| ITF Germany F15 | 2016/10/19 16:20 | Hannes Wagner v Robin Kern | 4-6,6-7 |
| ITF Germany F14 | 2016/10/16 12:00 | Robin Kern v Mats Moraing | 4-6,2-6 |
| ITF Germany F14 | 2016/10/15 11:00 | Louis Wessels v Robin Kern | 3-6,2-6 |
| ITF Germany F14 | 2016/10/14 11:00 | Antoine Escoffier v Robin Kern | 2-6,3-6 |
| ITF Germany F14 | 2016/10/13 12:55 | Rudolf Molleker v Robin Kern | 4-6,2-6 |