Round: 26 Ground: Clay
| ITF Turkey F16 | 2017/04/22 09:00 | Manuel Pena Lopez v Jonas Trinker | 7-5,6-7,6-3 |
| ITF Turkey F15 | 2017/04/16 07:00 | Joel Cannell v Jonas Trinker | 6-4,1-6,6-3 |
| ITF Turkey F15 | 2017/04/15 07:00 | Jonas Trinker v Vladislav Ivanov | 6-2,7-5 |
| ITF Turkey F14 | 2017/04/10 07:30 | Volodymyr Uzhylovskyi v Jonas Trinker | 6-4,6-0 |
| ITF Turkey F14 | 2017/04/09 07:00 | Jonas Trinker v Alejo Vilaro | 7-5,6-4 |
| ITF Turkey F14 | 2017/04/08 07:00 | Vincentiu A Niculescu v Jonas Trinker | 3-6,1-6 |
| ITF Greece F2 Qual | 2017/03/14 07:30 | Jonas Trinker v Adrian Bodmer | 2-6,2-6 |
| ITF Greece F2 Qual | 2017/03/11 10:00 | Jonas Trinker v Shinnosuke Hiramatsu | 6-4,2-6,6-2 |
| Challenger Ostrava Qual | 2017/05/01 09:00 | Sebastian Ofner v Pascal Brunner | 6-4,6-3 |
| Challenger Ostrava Qual | 2017/04/30 09:30 | Tadeas Paroulek v Pascal Brunner | 5-7,1-6 |
| Challenger Ostrava Qual | 2017/04/29 12:30 | Pascal Brunner v Aslan Karatsev | 6-2,6-4 |
| ITF Tunisia F15 | 2017/04/19 08:30 | Pascal Brunner v Kirill Dmitriev | 1-6,6-7 |
| ITF Croatia F4 | 2017/03/29 09:00 | Mate Delic v Pascal Brunner | 7-5,6-1 |
| ITF Croatia F2 | 2017/03/16 09:00 | Yannick Vandenbulcke v Pascal Brunner | 6-7,2-6 |
| ITF Croatia F2 | 2017/03/15 11:00 | Pascal Brunner v Pascal Meis | 6-4,6-1 |
| ITF Croatia F2 | 2017/03/13 13:30 | Pascal Brunner v Tihomir Grozdanov | 6-3,6-0 |