Round: 44 Ground: Hardcourt outdoor
| ITF Bahrain F1 | 2017/03/21 10:20 | Nik Razborsek v Michal Konecny | 3-6,7-6,4-6 |
| ITF Turkey F3 | 2017/01/24 07:00 | Nik Razborsek v Tallon Griekspoor | 2-6,3-6 |
| ITF Turkey F2 | 2017/01/20 09:15 | Nik Razborsek v Tallon Griekspoor | 1-6,4-6 |
| ITF Turkey F2 | 2017/01/19 06:30 | Nik Razborsek v Goran Markovic | 7-6,6-2 |
| ITF Croatia F9 | 2016/10/04 08:00 | Nik Razborsek v Jelle Sels | 1-6,6-4,2-6 |
| ITF Hungary F6 | 2016/09/19 11:00 | Pavel Nejedly v Nik Razborsek | 6-4,6-7,7-6 |
| ITF Hungary F5 | 2016/09/16 09:00 | Nik Razborsek v Patrik Obal | 1-6,6-7 |
| ITF Hungary F5 | 2016/09/14 10:50 | Gabor Borsos v Nik Razborsek | 6-3,3-6,4-6 |
| ITF France F4 | 2017/02/28 10:10 | Oscar Otte v Jannis Kahlke | 6-4,6-1 |
| ITF France F4 Qual | 2017/02/26 10:40 | Kevin Griekspoor v Jannis Kahlke | 4-6,7-5,2-6 |
| ITF France F4 Qual | 2017/02/25 09:00 | Thibault Venturino v Jannis Kahlke | 2-6,6-7 |
| ITF Great Britain F3 | 2017/02/12 13:00 | Rayan Ghedjemis v Jannis Kahlke | 7-6,6-2 |
| ITF Great Britain F2 | 2017/02/06 10:30 | Jannis Kahlke v Simon Carr | 7-5,6-7,4-6 |
| ITF Great Britain F2 | 2017/02/05 14:30 | Florian Fallert v Jannis Kahlke | 2-6,6-2,5-7 |
| ITF Great Britain F2 | 2017/02/05 10:00 | Jannis Kahlke v Nicholas Bybel | 6-3,6-4 |
| ITF Germany F3 | 2017/01/23 14:30 | Lukas Ruepke v Jannis Kahlke | 6-2,7-5 |