Round: 44 Ground: Hardcourt outdoor
| ITF Qatar F1 Qual | 2017/04/03 12:00 | Jannis Kahlke v Toby Martin | 3-6,6-7 |
| ITF Qatar F1 Qual | 2017/04/02 12:00 | Jannis Kahlke v Abdullah S Alharrasi | 6-0,6-0 |
| 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 Turkey F13 | 2017/04/03 08:00 | Mert Naci Turker v Alejo Vilaro | 3-6,5-7 |
| ITF Turkey F13 | 2017/04/02 07:30 | Keisuke Numajiri v Mert Naci Turker | 7-6,2-6,3-6 |
| ITF Turkey F13 | 2017/04/01 07:00 | Luke Stevenson v Mert Naci Turker | 1-6,4-6 |
| ITF Turkey F12 | 2017/03/29 07:00 | Ilya Vasilyev v Mert Naci Turker | 3-6,6-1,6-0 |
| ITF Turkey F11 | 2017/03/19 07:00 | Gaston-Arturo Grimolizzi v Mert Naci Turker | 6-0,6-4 |
| ITF Turkey F8 | 2017/02/26 06:30 | Stephan Gerritsen v Mert Naci Turker | 6-3,6-2 |
| ITF Turkey F8 | 2017/02/25 08:30 | Mert Naci Turker v Yan Sabanin | 6-1,1-6,6-3 |
| ITF Turkey F7 | 2017/02/18 09:00 | Mert Naci Turker v Alexander Boborykin | 4-6,6-7 |