Stadium: Sparkassen Court Round: 54 Ground: Clay
| 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 Turkey F24 | 2017/06/23 07:00 | Marc Sieber v Muhammet Haylaz | 6-0,6-3 |
| ITF Turkey F24 | 2017/06/22 07:00 | Marc Sieber v Gabriel Donev | 6-2,6-1 |
| ITF Turkey F24 | 2017/06/20 07:00 | Marc Sieber v Jannis Kahlke | 6-4,6-1 |
| ITF Turkey F23 | 2017/06/17 07:00 | Hugo Dellien v Marc Sieber | 6-3,6-1 |
| ITF Turkey F23 | 2017/06/16 08:30 | Richard Gabb v Marc Sieber | 3-6,3-6 |
| Challenger Marburg Qual | 2017/07/01 11:15 | Juan Ignacio Londero v Matthias Bachinger | 1-6,3-6 |
| Challenger Milan Qual | 2017/06/25 13:25 | Matthias Bachinger v Daniel Munoz-De La Nava | 6-7,3-6 |
| Challenger Milan Qual | 2017/06/24 12:00 | Matthias Bachinger v Gian Marco Moroni | 7-6,6-3 |
| Challenger Lyon Qual | 2017/06/10 07:30 | Filip Horansky v Matthias Bachinger | 6-2,7-5 |
| Challenger Mestre Qual | 2017/05/22 10:00 | Matthias Bachinger v Gianluca Mager | 5-7,4-6 |
| Challenger Mestre Qual | 2017/05/21 09:00 | Mats Moraing v Matthias Bachinger | 4-6,6-3,2-6 |
| Challenger Mestre Qual | 2017/05/20 08:00 | Pietro Licciardi v Matthias Bachinger | 3-6,6-4,3-6 |
| Challenger Heilbronn Qual | 2017/05/15 10:00 | Matthias Bachinger v Cedrik-Marcel Stebe | 1-6,6-3,6-7 |