Round: 25 Ground: Clay
| ITF Croatia F4 Qual | 2017/03/25 13:00 | Andrej Martin v Jakob Aichhorn | 6-4,3-6,6-2 |
| ITF Croatia F3 | 2017/03/19 08:30 | Ryusei Makiguchi v Jakob Aichhorn | 6-3,6-3 |
| ITF Germany F15 | 2016/10/16 11:00 | Jakob Aichhorn v Andrei Soltoianu | 6-1,3-6,4-6 |
| ITF Germany F14 | 2016/10/09 07:00 | Jakob Aichhorn v Charly Zick | 6-3,6-1 |
| ITF Germany F14 | 2016/10/09 07:00 | Jakob Aichhorn v Alexander Mannapov | 6-4,5-7,3-6 |
| ITF Austria F8 | 2016/08/30 11:45 | Jakob Aichhorn v David Pichler | 3-6,3-6 |
| ITF Austria F6 | 2016/08/16 09:00 | Corentin Denolly v Jakob Aichhorn | 6-1,6-2 |
| ITF Austria F5 Qual | 2016/08/07 08:30 | Lukas Koncilia v Jakob Aichhorn | 6-3,7-5 |
| ITF Austria F1 | 2017/07/02 08:00 | Mark Burgos v Georg Winkler | 6-4,4-6,3-6 |
| ITF Austria F1 | 2017/07/01 08:00 | Aleksa Daskalovic v Georg Winkler | 2-6,6-7 |
| ITF Austria F1 | 2017/07/01 07:00 | Yanik Kaelin v Georg Winkler | 0-6,6-7 |
| ITF Tunisia F23 | 2017/06/11 12:30 | Jeff Guerrero v Georg Winkler | 6-3,7-6 |
| ITF Tunisia F23 | 2017/06/10 09:00 | Georg Winkler v Andrea Borroni | 7-6,6-1 |
| ITF Czech Republic F1 Qual | 2017/05/13 13:00 | Georg Winkler v Szymon Walkow | 5-7,3-6 |
| ITF Italy F7 Qual | 2017/04/01 07:30 | Naoki Nakagawa v Georg Winkler | 6-4,7-5 |
| ITF Italy F6 Qual | 2017/03/26 07:30 | Georg Winkler v Luca Prevosto | 1-6,0-6 |