Stadium: Hard Court 5 Round: 26 Ground: Hardcourt outdoor
| 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 |
| ITF Turkey F32 | 2017/08/30 12:00 | Horst Rieder v Marc Sieber | 1-6,1-6 |
| ITF Germany F12 | 2017/08/25 15:10 | Marc Sieber v Louis Wessels | 6-3,3-6,4-6 |
| ITF Germany F12 | 2017/08/24 10:15 | Marc Sieber v Gabriel Schmidt | 6-3,6-4 |
| ITF Slovakia F2 | 2017/08/04 08:00 | Patrik Nema v Nik Razborsek | 6-3,6-4 |
| ITF Slovakia F2 | 2017/08/03 08:00 | Samm Butler v Nik Razborsek | 2-6,1-6 |
| ITF Slovakia F2 | 2017/08/02 14:40 | David Juras v Nik Razborsek | 1-6,0-6 |
| ITF Slovakia F1 | 2017/07/28 11:55 | Danylo Kalenichenko v Nik Razborsek | 7-6,6-2 |
| ITF Slovakia F1 | 2017/07/27 12:25 | Andrew Watson v Nik Razborsek | 4-6,2-6 |
| ITF Slovakia F1 | 2017/07/26 13:30 | Mike Urbanija v Nik Razborsek | 2-6,2-6 |
| ITF Germany F5 | 2017/06/29 10:35 | George Von Massow v Nik Razborsek | 2-6,6-0,6-1 |
| ITF Germany F5 | 2017/06/28 09:00 | Nik Razborsek v Tom Schonenberg | 6-2,6-3 |