Stadium: Court 1 Round: 27 Ground: Hardcourt indoor
| ITF France F21 | 2017/09/28 10:00 | Robin Kern v Tom Schonenberg | 6-2,6-2 |
| ITF France F21 | 2017/09/26 10:55 | Robin Kern v Hugo Voljacques | 6-2,6-4 |
| Challenger Izmir | 2017/09/19 08:10 | Robin Kern v Alexander Bublik | 1-6,6-3,4-6 |
| Challenger Izmir Qual | 2017/09/17 09:00 | Robin Kern v Mert Naci Turker | 7-5,6-0 |
| Challenger Izmir Qual | 2017/09/16 08:55 | Robin Kern v Yanki Erel | 6-7,6-1,6-0 |
| Challenger Istanbul | 2017/09/14 08:00 | Matteo Berrettini v Robin Kern | 6-4,6-4 |
| Challenger Istanbul | 2017/09/12 08:55 | Stephane Robert v Robin Kern | 6-7,3-6 |
| Challenger Istanbul Qual | 2017/09/10 08:00 | Michal Konecny v Robin Kern | 6-7,7-6,5-7 |
| ITF France F21 | 2017/09/28 11:05 | Julian Lenz v Hugo Grenier | 6-3,6-4 |
| ITF France F21 | 2017/09/26 08:30 | Julian Lenz v Constantin Bittoun Kouzmine | 6-1,7-5 |
| ITF Germany F10 | 2017/08/11 14:30 | Jan Choinski v Julian Lenz | 3-6,7-5,7-5 |
| ITF Germany F10 | 2017/08/10 15:45 | Jan Choinski v Julian Lenz | 3-6,7-5,6-5 |
| ITF Germany F10 | 2017/08/09 14:30 | Kai Wehnelt v Julian Lenz | 3-6,3-6 |
| ITF Germany F10 | 2017/08/08 14:20 | Julian Lenz v Sebastian Fanselow | 7-5,3-6,6-4 |
| Challenger Liberec Qual | 2017/07/29 10:00 | Julian Lenz v Juan Pablo Ficovich | 6-4,3-6,2-6 |
| ITF Germany F8 | 2017/07/20 14:10 | Julian Lenz v Jan Choinski | 7-5,6-7,0-6 |