| ITF Turkey F20 | 2017/05/21 09:30 | Linus Krohn v Oleg Koval | 2-6,3-6 |
| ITF Turkey F20 | 2017/05/20 07:00 | Owen Kirk v Linus Krohn | 6-7,4-6 |
| ITF Turkey F19 Qual | 2017/05/14 09:30 | Dusty H. Boyer v Linus Krohn | 7-5,6-2 |
| ITF Turkey F19 Qual | 2017/05/13 11:00 | Linus Krohn v Laelson Rodrigues | 7-5,6-4 |
| ITF Turkey F16 | 2017/04/22 09:00 | Marsel Ilhan v Linus Krohn | 6-4,6-2 |
| ITF Turkey F15 | 2017/04/16 07:00 | Linus Krohn v Sebastian Prechtel | 0-6,4-6 |
| ITF Turkey F15 | 2017/04/15 07:00 | Matthias Haim v Linus Krohn | 2-6,3-6 |
| ITF Turkey F14 | 2017/04/09 07:00 | Linus Krohn v Daniel Mora | 3-6,1-6 |
| ITF Turkey F15 | 2017/04/18 10:15 | Julian Onken v Cem Ilkel | 2-6,3-6 |
| ITF Turkey F14 | 2017/04/13 08:30 | Marsel Ilhan v Julian Onken | 4-6,6-1,6-0 |
| ITF Turkey F14 | 2017/04/11 07:30 | Simon Navarro v Julian Onken | 2-6,7-6,2-6 |
| ITF Croatia F4 | 2017/03/28 12:00 | Julian Onken v Andrej Martin | 4-6,7-6,1-6 |
| ITF Croatia F3 | 2017/03/21 09:00 | Jurij Rodionov v Julian Onken | 2-6,7-6,6-1 |
| ITF Croatia F2 | 2017/03/16 12:05 | Pere Riba v Julian Onken | 6-1,6-2 |
| ITF Croatia F2 | 2017/03/15 09:00 | Julian Onken v Denys Mylokostov | 6-4,7-5 |
| ITF Croatia F2 | 2017/03/13 10:00 | Julian Onken v Marco Miceli | 6-3,6-2 |