Round: 26 Ground: Hardcourt outdoor
| ITF Turkey F18 | 2017/05/09 07:00 | Hong Kit Wong v Thomas Statzberger | 4-6,4-6 |
| ITF Turkey F17 | 2017/05/02 10:00 | Thomas Statzberger v Alexander Lazov | 2-6,3-6 |
| ITF Turkey F15 | 2017/04/20 08:25 | Thomas Statzberger v Marsel Ilhan | 3-6,4-6 |
| ITF Turkey F15 | 2017/04/18 07:00 | Thomas Statzberger v Vadim Alekseenko | 6-4,6-2 |
| ITF Turkey F15 | 2017/04/17 07:30 | Thomas Statzberger v Filip Brtnicky | 6-1,6-2 |
| ITF Turkey F15 | 2017/04/16 07:00 | Thomas Statzberger v Dan Alexandru Tomescu | 5-7,6-2,6-2 |
| ITF Turkey F14 | 2017/04/15 07:00 | Thomas Statzberger v Mate Delic | 1-6,6-3,2-6 |
| ITF Turkey F14 | 2017/04/13 08:30 | Alexis Musialek v Thomas Statzberger | 2-6,3-6 |
| ITF Turkey F18 | 2017/05/09 07:00 | Michiel de Krom v Marc Sieber | 2-6,1-6 |
| ATP Istanbul Qual | 2017/04/29 13:25 | Adrian Menendez-Maceiras v Marc Sieber | 7-5,6-4 |
| Challenger Francavilla | 2017/04/24 11:45 | Stefano Napolitano v Marc Sieber | 6-4,1-6,6-4 |
| 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 |