Stadium: Centre Court Round: 25 Ground: Clay
| Challenger Meerbusch | 2017/08/17 11:00 | Marc Sieber v Karim-Mohamed Maamoun | 2-6,3-6 |
| Challenger Meerbusch | 2017/08/15 17:00 | Dustin Brown v Marc Sieber | 2-6,2-6 |
| Challenger Meerbusch Qual | 2017/08/14 09:30 | Marc Sieber v Daniel Gimeno-Traver | 7-5,6-3 |
| Challenger Meerbusch Qual | 2017/08/13 12:55 | Marc Sieber v Alexandar Lazarov | 6-3,6-2 |
| Challenger Marburg Qual | 2017/07/02 10:20 | Marc Sieber v Matthias Bachinger | 2-6,7-6,3-6 |
| Challenger Marburg Qual | 2017/07/01 10:00 | Marc Sieber v Amer Naow | 6-1,6-2 |
| ITF Turkey F24 | 2017/06/25 08:00 | Marc Sieber v Dimitar Kuzmanov | 3-6,6-2,1-6 |
| ITF Turkey F24 | 2017/06/24 07:00 | Marc Sieber v Nicolo Turchetti | 6-3,6-3 |
| ITF Germany F12 | 2017/08/21 08:00 | Giordan Kunz v Joel Vincent Link | 0-6,1-6 |
| ITF Germany F11 | 2017/08/14 09:00 | Robin Lang v Joel Vincent Link | 7-6,6-0 |
| ITF Germany F11 | 2017/08/13 08:00 | Ramazan Nureev v Joel Vincent Link | 4-6,7-6,4-6 |
| ITF Germany F10 | 2017/08/06 08:00 | Joel Vincent Link v Florian Broska | 1-6,6-4,4-6 |
| ITF Germany F5 | 2017/06/26 10:00 | Joel Vincent Link v Alex Solanki | 1-6,4-6 |
| ITF Germany F4 | 2017/06/17 10:30 | Joel Vincent Link v Valentin Guenther | 1-6,4-6 |
| ITF Tunisia F23 | 2017/06/10 09:00 | Juan P G Mazzuchi v Joel Vincent Link | 6-4,6-2 |
| ITF Tunisia F22 | 2017/06/03 12:30 | Joel Vincent Link v Jeff Guerrero | 6-4,0-6,6-7 |