Round: 27 Ground: Hardcourt outdoor
| ITF Turkey F13 | 2016/03/29 08:00 | Sieber, Marc v Haylaz, Muhammet | 7-5,6-2 |
| ITF Turkey F24 | 2017/06/22 07:00 | Sieber, Marc v Gabriel Donev | 6-2,6-1 |
| ITF Turkey F24 | 2017/06/20 07:00 | Sieber, Marc v Kahlke, Jannis | 6-4,6-1 |
| ITF Turkey F23 | 2017/06/17 07:00 | Hugo Dellien v Sieber, Marc | 6-3,6-1 |
| ITF Turkey F23 | 2017/06/16 08:30 | Gabb, Richard v Sieber, Marc | 3-6,3-6 |
| ITF Turkey F23 | 2017/06/15 07:00 | Kahlke, Jannis v Sieber, Marc | 1-6,2-6 |
| ITF Turkey F23 | 2017/06/13 08:35 | Mousley, Bradley v Sieber, Marc | 3-6,3-6 |
| Challenger Mestre | 2017/05/23 09:30 | Gianluca Mager v Sieber, Marc | 7-6,6-3 |
| ITF Turkey F18 | 2017/05/14 08:00 | Dennis Novak v Sieber, Marc | 6-4,6-4 |
| ITF Turkey F24 | 2017/06/21 07:00 | Harajchi, Aria v Haylaz, Muhammet | 3-6,2-6 |
| ITF Turkey F23 | 2017/06/13 07:00 | Vilella Martinez, Mario v Haylaz, Muhammet | 6-3,6-3 |
| ITF Turkey F22 | 2017/06/07 12:35 | Oumaouche, Rayane v Haylaz, Muhammet | 6-4,7-5 |
| Turkey F17, Singles Qualifying | 2017/05/02 07:00 | Haylaz, Muhammet v Enzo Couacaud | 7-6,3-6,0-6 |
| Turkey F16, Singles Qualifying | 2017/04/26 07:00 | Juan Pablo Varillas v Haylaz, Muhammet | 6-1,4-6,7-6 |
| Turkey F14, Singles Qualifying | 2017/04/13 09:30 | Haylaz, Muhammet v Brkic, Tomislav | 1-6,4-6 |
| Turkey F14, Singles Qualifying | 2017/04/11 09:15 | Haylaz, Muhammet v Joncour, Ronan | 6-2,5-7,6-4 |
| ITF Turkey F13 | 2017/04/05 09:35 | Christoph Negritu v Haylaz, Muhammet | 4-6,6-1,6-0 |