Stadium: Court 2 Round: 25 Ground: Carpet indoor
| ITF M25 Ricany | 2019/09/25 12:05 | Jakob Aichhorn v Pavel Nejedly | 3-6,3-6 |
| ITF M15 Szekesfehervar | 2019/09/02 08:00 | Mikhail Korovin v Jakob Aichhorn | 6-4,7-5 |
| ITF M15 Bratislava | 2019/08/30 10:00 | Lukas Klein v Jakob Aichhorn | 6-2,6-3 |
| ITF M15 Bratislava | 2019/08/29 10:25 | Danil Spasibo v Jakob Aichhorn | 4-6,3-6 |
| ITF M15 Bratislava | 2019/08/28 11:10 | Jakob Aichhorn v Nicolo Turchetti | 6-4,6-1 |
| ITF M15 Santa Cristina | 2019/08/15 13:00 | Jakob Aichhorn v Facundo Diaz Acosta | 4-6,5-7 |
| ITF M15 Santa Cristina | 2019/08/13 10:25 | Alessandro Coppini v Jakob Aichhorn | 5-7,4-6 |
| ITF M25 Vogau | 2019/08/06 08:00 | Jakob Aichhorn v Vitalii Shcherba | 2-6,6-2,5-10 |
| ITF M15 Bad Salzdetfurth | 2019/10/09 10:20 | Ondrej Krstev v Jakub Paul | 6-3,6-2 |
| ITF M15 Horgen | 2019/08/30 12:30 | Jakub Paul v Alejandro Gonzalez | 6-1,1-6,6-7 |
| ITF M15 Horgen | 2019/08/29 15:45 | Jakub Paul v Patrik Hartmeier | 6-2,6-3 |
| ITF M15 Horgen | 2019/08/28 14:40 | Jakub Paul v Mirko Martinez | 6-1,7-6 |
| ITF M25 Schlieren | 2019/08/23 09:30 | Sandro Ehrat v Jakub Paul | 6-2,6-0 |
| ITF M25 Schlieren | 2019/08/22 11:55 | Jakub Paul v Alexander Erler | 3-6,6-2,6-2 |
| ITF M25 Schlieren | 2019/08/21 08:55 | Jakub Paul v Jonas Schaer | 6-3,6-2 |
| ATP Gstaad | 2019/07/21 09:00 | Jakub Paul v Daniel Elahi Galan | 1-6,6-2,6-7 |