| ITF Austria F1 | 2017/07/04 10:00 | Lenny Hampel v Jonas Trinker | 7-5,6-7,6-2 |
| Østerrike - Pro Series | 2020/06/09 07:00 | Dennis Novak v Lenny Hampel | 6-4,4-6,4-6 |
| Østerrike - Pro Series | 2020/06/08 13:10 | Lenny Hampel v Alexander Erler | 4-6,6-3,6-4 |
| Østerrike - Pro Series | 2020/06/07 09:30 | Dominic Thiem v Lenny Hampel | 6-3,6-0 |
| Østerrike - Pro Series | 2020/06/04 08:20 | Jurij Rodionov v Lenny Hampel | 5-7,1-6 |
| Østerrike - Pro Series | 2020/06/02 17:00 | David Pichler v Lenny Hampel | 7-6,6-2 |
| Østerrike - Pro Series | 2020/05/29 12:00 | Jurgen Melzer v Lenny Hampel | 6-1,6-7,6-4 |
| Østerrike - Pro Series | 2020/05/28 07:00 | Jurij Rodionov v Lenny Hampel | 7-6,0-6,6-4 |
| Østerrike - Pro Series | 2020/05/27 09:00 | Lenny Hampel v Marko Andrejic | 6-2,6-1 |
| Østerrike - Pro Series | 2020/06/11 09:25 | Jonas Trinker v Dennis Novak | 1-6,1-6 |
| Østerrike - Pro Series | 2020/06/09 15:50 | Jonas Trinker v Alexander Erler | 3-6,4-6 |
| ITF M15 Trnava | 2020/02/27 10:00 | Jonas Trinker v Petr Michnev | 6-4,3-6,2-6 |
| ITF M15 Trnava | 2020/02/25 11:30 | Petr Nouza v Jonas Trinker | 2-6,6-7 |
| ITF M15 Heraklion | 2020/02/18 13:05 | Jonas Trinker v Christos Keisidis | 2-6,7-6,4-6 |
| ITF M15 Heraklion | 2020/02/13 10:10 | Jonas Trinker v Zizou Bergs | 2-6,1-6 |
| ITF M15 Heraklion | 2020/02/12 13:15 | Alexandros Skorilas v Jonas Trinker | 5-7,2-6 |
| ITF M25 Nussloch | 2020/01/20 10:40 | Lasse Muscheites v Jonas Trinker | 6-3,7-5 |