Stadium: Sparkassen Court Round: 54 Ground: Clay
| ITF Turkey F15 | 2017/04/20 07:00 | Dimitar Kuzmanov v Marc Sieber | 4-6,6-4,6-2 |
| ITF Turkey F15 | 2017/04/18 10:55 | Oleg Ladik v Marc Sieber | 2-6,0-6 |
| ITF Turkey F14 | 2017/04/12 07:30 | Juan Pablo Varillas v Marc Sieber | 2-6,7-5,6-3 |
| Challenger St Brieuc | 2017/03/28 08:30 | Marc Sieber v Gleb Sakharov | 2-6,3-6 |
| ITF Egypt F9 | 2017/03/15 08:00 | Marc Sieber v Artem Smirnov | 3-6,3-6 |
| ITF Egypt F8 | 2017/03/08 08:00 | Marc Sieber v Rudolf Molleker | 2-6,4-6 |
| ITF Turkey F7 | 2017/02/21 07:00 | Marc Sieber v Cem Ilkel | 3-6,6-7 |
| ITF Turkey F6 | 2017/02/19 08:30 | Benjamin Lock v Marc Sieber | 3-6,6-7 |
| Challenger Taipei | 2017/04/20 06:00 | Go Soeda v Matthias Bachinger | 4-6,6-4,6-1 |
| Challenger Taipei | 2017/04/19 03:00 | Matthias Bachinger v Brydan Klein | 6-4,6-2 |
| Challenger Taipei Qual | 2017/04/17 03:00 | Matthias Bachinger v Yu Hsiou Hsu | 6-4,6-3 |
| Challenger Taipei Qual | 2017/04/16 03:00 | Matthias Bachinger v Cing-Yang Meng | 6-1,6-0 |
| Challenger St Brieuc Qual | 2017/03/26 12:30 | David Guez v Matthias Bachinger | 6-3,6-4 |
| Challenger Drummondville | 2017/03/15 14:00 | Matthias Bachinger v Mackenzie McDonald | 6-0,4-6,1-6 |
| Challenger Drummondville Qual | 2017/03/13 20:20 | Matthias Bachinger v Raymond Sarmiento | 6-3,6-4 |
| Challenger Drummondville Qual | 2017/03/13 16:20 | Austin Krajicek v Matthias Bachinger | 1-6,6-7 |