Round: 26 Ground: Hardcourt outdoor
| 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 |
| ITF Turkey F23 | 2017/06/15 07:00 | Jannis Kahlke v Marc Sieber | 1-6,2-6 |
| ITF Turkey F23 | 2017/06/13 08:35 | Bradley Mousley v Marc Sieber | 3-6,3-6 |
| Challenger Mestre | 2017/05/23 09:30 | Gianluca Mager v Marc Sieber | 7-6,6-3 |
| ITF Turkey F18 | 2017/05/14 08:00 | Dennis Novak v Marc Sieber | 6-4,6-4 |
| ITF Turkey F18 | 2017/05/13 07:30 | Marc Sieber v Ryan James Storrie | 6-2,6-1 |
| ITF Turkey F24 | 2017/06/21 08:40 | Boris Butulija v Gabriel Donev | 1-6,0-6 |
| ITF Turkey F22 | 2017/06/08 07:00 | Mario Vilella Martinez v Gabriel Donev | 6-1,6-2 |
| ITF Turkey F22 | 2017/06/07 07:00 | Vadim Alekseenko v Gabriel Donev | 0-6,3-6 |
| ITF Turkey F22 | 2017/06/05 07:00 | Gabriel Donev v Koray Kirci | 6-1,6-4 |
| ITF Turkey F22 | 2017/06/04 09:30 | Gabriel Donev v Deivids Juksa | 6-1,6-3 |
| ITF Bosnia and Herzegovina F2 | 2017/05/30 12:55 | Elmar Ejupovic v Gabriel Donev | 6-1,6-1 |
| ITF Bosnia and Herzegovina F2 Qual | 2017/05/29 08:00 | Gabriel Donev v Boris Butulija | 6-1,6-4 |
| ITF Bosnia and Herzegovina F2 Qual | 2017/05/28 08:00 | Gabriel Donev v Karlo Divkovic | 6-4,6-2 |