Round: 26 Ground: Clay
| ITF Austria F2 | 2017/07/11 08:30 | Jonas Trinker v Weidinger, Dominic | 6-1,5-7,7-6 |
| ITF Austria F2 | 2017/07/09 10:30 | Horton, Nicholas v Jonas Trinker | 3-6,7-5,1-6 |
| ITF Austria F2 | 2017/07/08 10:00 | Baumann, Daniel v Jonas Trinker | 1-6,2-6 |
| ITF Austria F2 | 2017/07/08 07:00 | Nareyka, Bjorn v Jonas Trinker | 4-6,0-6 |
| ITF Austria F1 | 2017/07/04 10:00 | Hampel, Lenny v Jonas Trinker | 7-5,6-7,6-2 |
| ITF Turkey F21 | 2017/05/31 09:35 | Jonas Trinker v Christoph Negritu | 5-7,2-6 |
| ITF Turkey F13 | 2017/05/29 07:30 | Peric, Nebojsa v Jonas Trinker | 5-7,6-7 |
| ITF Turkey F13 | 2017/05/28 07:00 | Jonas Trinker v Koval, Oleg | 6-1,6-4 |
| ITF Austria F2 | 2017/07/10 11:00 | Onishi, Ken v Jahn, Jeremy | 3-6,6-7 |
| Wimbledon Qual | 2017/06/26 11:30 | Jahn, Jeremy v Blake Mott | 4-6,4-6 |
| Challenger Todi | 2017/06/20 11:55 | Facundo Bagnis v Jahn, Jeremy | 6-4,0-6,7-5 |
| Lyon, France | 2017/06/13 14:30 | Mathieu, Paul-Henri v Jahn, Jeremy | 6-3,6-1 |
| ITF Italy F15 | 2017/05/30 09:00 | Jahn, Jeremy v Andrea Collarini | 1-6,5-7 |
| ITF Sweden F2 | 2017/05/17 08:15 | Jonathan Mridha v Jahn, Jeremy | 1-6,7-6,7-6 |
| ITF Sweden F2 | 2017/05/16 09:35 | Karl Friberg v Jahn, Jeremy | 5-7,2-6 |
| ATP Munich Qual | 2017/04/30 10:35 | Jahn, Jeremy v Jozef Kovalik | 5-7,3-6 |