Stadium: Court 2 Round: 25 Ground: Carpet indoor
| ITF M25 Ricany | 2019/09/25 12:05 | Aichhorn, Jakob v Nejedly, Pavel | 3-6,3-6 |
| Szekesfehervar, Singles Qualifying M-ITF-HUN-05A | 2019/09/02 08:00 | Mikhail Korovin v Aichhorn, Jakob | 6-4,7-5 |
| ITF M15 Bratislava | 2019/08/30 10:00 | Lukas Klein v Aichhorn, Jakob | 6-2,6-3 |
| ITF M15 Bratislava | 2019/08/29 10:25 | Spasibo, Danil v Aichhorn, Jakob | 4-6,3-6 |
| ITF M15 Bratislava | 2019/08/28 11:10 | Aichhorn, Jakob v Turchetti, Nicolo | 6-4,6-1 |
| Santa Cristina Val Gardena, Singles M-ITF-ITA-18A | 2019/08/15 13:00 | Aichhorn, Jakob v Facundo Diaz Acosta | 4-6,5-7 |
| Santa Cristina Val Gardena, Singles M-ITF-ITA-18A | 2019/08/13 10:25 | Coppini, Alessandro v Aichhorn, Jakob | 5-7,4-6 |
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2019/08/06 08:00 | Aichhorn, Jakob v Shcherba, Vitalii | 2-6,6-2,5-10 |
| Bad Salzdetfurth, Simples M-ITF-GER-14A | 2019/10/09 10:20 | Krstev, Ondrej v Jakub Paul | 6-3,6-2 |
| Horgen, Singles Qualifying M-ITF-SUI-03A | 2019/08/30 12:30 | Jakub Paul v Gonzalez, Alejandro | 6-1,1-6,6-7 |
| Horgen, Singles Qualifying M-ITF-SUI-03A | 2019/08/29 15:45 | Jakub Paul v Hartmeier, Patrik | 6-2,6-3 |
| Horgen, Singles Qualifying M-ITF-SUI-03A | 2019/08/28 14:40 | Jakub Paul v Martinez, Mirko | 6-1,7-6 |
| Schlieren, Singles M-ITF-SUI-02A | 2019/08/23 09:30 | Ehrat, Sandro v Jakub Paul | 6-2,6-0 |
| Schlieren, Singles M-ITF-SUI-02A | 2019/08/22 11:55 | Jakub Paul v Erler, Alexander | 3-6,6-2,6-2 |
| Schlieren, Singles M-ITF-SUI-02A | 2019/08/21 08:55 | Jakub Paul v Jonas Schaer | 6-3,6-2 |
| Gstaad, Switzerland | 2019/07/21 09:00 | Jakub Paul v Daniel Elahi Galan | 1-6,6-2,6-7 |