Stadium: Court 1 Round: 62 Ground: Clay
| Challenger - Salzburg | 2021/07/06 15:00 | Jakob Aichhorn v Jiri Lehecka | 4-6,3-6 |
| ITF - M15 Anif | 2020/08/26 10:00 | Jakob Aichhorn v Enrico Dalla Valle | 2-6,2-6 |
| ITF - M25 Vogau | 2020/08/16 12:00 | Igor Sijsling v Jakob Aichhorn | 6-1,6-1 |
| Austria - Campionatul de tenis | 2020/07/14 07:30 | Neil Oberleitner v Jakob Aichhorn | 6-4,6-3 |
| Austria - Campionatul de tenis | 2020/07/13 07:30 | Kris Krawcewicz v Jakob Aichhorn | 3-6,2-6 |
| ITF - M15 Porec | 2020/03/10 09:00 | Julian Ocleppo v Jakob Aichhorn | 6-0,6-3 |
| ITF - M15 Porec | 2020/03/09 10:15 | Eduard Vlasceanu v Jakob Aichhorn | 2-6,5-7 |
| ITF - M15 Porec | 2020/03/08 08:00 | Luka Veselic v Jakob Aichhorn | 1-6,2-6 |