Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F23 | 2017/06/15 07:00 | Kahlke, Jannis v Sieber, Marc | 1-6,2-6 |
| ITF Turkey F23 | 2017/06/17 07:00 | 델린, 휴고 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 | 모슬레이, 브라들레이 v Sieber, Marc | 3-6,3-6 |
| Challenger Mestre | 2017/05/23 09:30 | 마겔, 기안루카 v Sieber, Marc | 7-6,6-3 |
| ITF Turkey F18 | 2017/05/14 08:00 | 노바크, 데니스 v Sieber, Marc | 6-4,6-4 |
| ITF Turkey F18 | 2017/05/13 07:30 | Sieber, Marc v 스토리, 리안 제임스 | 6-2,6-1 |
| ITF Turkey F18 | 2017/05/12 07:00 | 산타나, 브루노 v Sieber, Marc | 2-6,3-6 |
| ITF Turkey F23 | 2017/06/15 07:00 | Kahlke, Jannis v Sieber, Marc | 1-6,2-6 |
| ITF Turkey F23 | 2017/06/13 08:50 | Kahlke, Jannis v Suluoglu, Sefa | 7-5,6-4 |
| ITF Turkey F23 Qual | 2017/06/12 08:35 | Kahlke, Jannis v 투르켈, 메르트 나시 | 5-7,6-4,6-4 |
| ITF Turkey F22 | 2017/06/06 08:20 | Gabb, Richard v Kahlke, Jannis | 6-4,6-3 |
| ITF Turkey F22 | 2017/06/05 09:15 | Kahlke, Jannis v Alekseenko, Gleb | 6-2,6-4 |
| ITF Turkey F22 | 2017/06/04 09:30 | Kahlke, Jannis v 존스, 아담 | 4-6,6-3,6-1 |
| ITF Qatar F2 | 2017/04/11 13:55 | Kahlke, Jannis v 미에들러, 루카스 | 4-6,1-6 |
| ITF Qatar F2 Qual | 2017/04/10 12:00 | 라즈보르세크, 니크 v Kahlke, Jannis | 6-7,7-5,2-6 |