Stadium: Center Court Round: 46 Ground: Synthetic indoor
| Challenger Banja Luka Qual | 2017/09/09 09:55 | Nikola Cacic v Petr Nouza | 4-6,3-6 |
| ITF Turkey F29 | 2017/08/09 06:00 | Fernando Bogajo v Nikola Cacic | 6-3,6-4 |
| ITF Turkey F26 | 2017/07/20 09:25 | Nikola Cacic v Dante Gennaro | 6-7,0-6 |
| ITF Turkey F26 | 2017/07/19 11:55 | Nikola Cacic v Muhammet Haylaz | 6-2,6-2 |
| ITF Turkey F25 | 2017/07/15 07:00 | Nikola Cacic v Geoffrey Blancaneaux | 6-4,1-6,5-7 |
| ITF Turkey F25 | 2017/07/14 07:00 | Cem Ilkel v Nikola Cacic | 1-6,6-4,2-6 |
| ITF Turkey F25 | 2017/07/13 07:00 | Alexander Donski v Nikola Cacic | 6-2,3-6,5-7 |
| ITF Turkey F25 | 2017/07/12 07:00 | Jose Maria Paez v Nikola Cacic | 1-6,0-6 |
| Challenger Izmir | 2017/09/19 07:00 | Marc Sieber v Lucas Miedler | 6-3,4-6,2-6 |
| Challenger Izmir Qual | 2017/09/17 10:40 | Marc Sieber v Sefa Suluoglu | 6-0,6-3 |
| Challenger Izmir Qual | 2017/09/16 09:20 | Marc Sieber v Koray Kirci | 6-4,6-2 |
| Challenger Istanbul | 2017/09/12 08:55 | Malek Jaziri v Marc Sieber | 6-2,7-6 |
| Challenger Istanbul Qual | 2017/09/10 10:35 | Marc Sieber v Vadym Ursu | 6-3,6-0 |
| Challenger Istanbul Qual | 2017/09/09 11:20 | Marc Sieber v Kevin Griekspoor | 6-2,6-3 |
| ITF Turkey F32 | 2017/09/01 11:00 | Wilson Leite v Marc Sieber | 3-6,2-6 |
| ITF Turkey F32 | 2017/08/31 12:00 | Felipe Meligeni Rodrigues Alves v Marc Sieber | 3-6,5-7 |