Stadium: SEG 2 Round: 44 Ground: Carpet indoor
| ITF Germany F1 | 2018/01/08 09:00 | Marko Osmakcic v Tobias Rief | 6-2,6-1 |
| ITF Hong Kong F5 | 2017/12/24 03:00 | Romain Bauvy v Marko Osmakcic | 6-4,6-4 |
| ITF Hong Kong F5 | 2017/12/23 03:00 | Kyle Lok Yin Tang v Marko Osmakcic | 2-6,0-6 |
| ITF Czech Republic F12 | 2017/11/28 09:00 | Petr Hajek v Marko Osmakcic | 6-4,6-4 |
| ITF Czech Republic F12 | 2017/11/27 11:00 | Antonin Stepanek v Marko Osmakcic | 2-6,3-6 |
| ITF Czech Republic F9 | 2017/11/09 09:00 | Marko Osmakcic v Jan Satral | 0-6,1-6 |
| ITF Czech Republic F9 | 2017/11/08 09:00 | Marek Gengel v Marko Osmakcic | 3-6,7-6,3-6 |
| ITF Czech Republic F9 | 2017/11/07 09:00 | Petr Hajek v Marko Osmakcic | 6-4,6-7,4-6 |
| ITF Germany F1 | 2018/01/08 09:00 | Torben Steinorth v Kai Wehnelt | 1-6,1-6 |
| ITF Czech Republic F10 | 2017/11/15 16:40 | Kai Wehnelt v Evan Hoyt | 4-6,6-7 |
| ITF Czech Republic F10 | 2017/11/14 09:00 | Vitaliy Sachko v Kai Wehnelt | 7-6,6-2 |
| ITF Germany F10 | 2017/08/09 14:30 | Kai Wehnelt v Julian Lenz | 3-6,3-6 |
| ITF Germany F10 | 2017/08/08 15:00 | Kai Wehnelt v Maikel Borg | 6-4,6-3 |
| ITF Germany F8 | 2017/07/20 16:05 | Kai Wehnelt v Jurgen Zopp | 1-6,1-6 |
| ITF Germany F8 | 2017/07/18 15:35 | David Pichler v Kai Wehnelt | 7-5,0-6,1-6 |
| Challenger Marburg | 2017/07/03 10:00 | Andrej Martin v Kai Wehnelt | 6-3,6-3 |