| 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 |
| Challenger Istanbul Qual | 2017/09/09 11:20 | Michal Konecny v Koray Kirci | 6-3,6-2 |
| Challenger Istanbul Qual | 2017/09/09 07:00 | Koray Kirci v Berke Eser Coskun | 3-6,6-3,6-4 |
| ITF Turkey F29 | 2017/08/09 15:50 | Koray Kirci v Thomas Brechemier | 0-6,2-6 |
| ITF Turkey F28 | 2017/08/03 09:15 | Koray Kirci v Lucas Catarina | 6-4,1-6,4-6 |
| ITF Turkey F28 | 2017/08/02 07:30 | Altug Celikbilek v Koray Kirci | 3-6,6-1,6-7 |
| ITF Turkey F28 | 2017/08/01 09:25 | Koray Kirci v Mikalai Haliak | 6-3,6-4 |
| ITF Turkey F27 | 2017/07/25 07:00 | Koray Kirci v Cengiz Aksu | 5-7,1-6 |
| ITF Turkey F26 | 2017/07/19 13:20 | Koray Kirci v Dante Gennaro | 4-6,4-6 |