| Austria - Bundesliga | 2019/09/08 09:00 | Jurgen Melzer v Lenny Hampel | 7-6,6-2 |
| Austria - Pro Series | 2020/05/28 17:40 | Jurgen Melzer v Marko Andrejic | 6-1,6-1 |
| Austria - Pro Series | 2020/05/27 10:20 | Jurgen Melzer v Jurij Rodionov | 6-4,1-6,7-6 |
| Austria - Bundesliga | 2019/09/08 09:00 | Jurgen Melzer v Lenny Hampel | 7-6,6-2 |
| ATP Winston-Salem | 2019/08/17 16:00 | Bjorn Fratangelo v Jurgen Melzer | 6-4,6-4 |
| Challenger Aix en Provence | 2019/05/07 09:30 | Steven Diez v Jurgen Melzer | 6-3,6-3 |
| Challenger Aix en Provence | 2019/05/06 08:30 | Jurgen Melzer v Dan Added | 5-7,1-6 |
| Challenger Marbella | 2019/03/27 15:15 | Jurgen Melzer v Pablo Andujar | 4-6,4-6 |
| Challenger Marbella | 2019/03/25 15:30 | Sergio Gutierrez-Ferrol v Jurgen Melzer | 3-6,3-6 |
| Austria - Pro Series | 2020/05/28 07:00 | Jurij Rodionov v Lenny Hampel | 7-6,0-6,6-4 |
| Austria - Pro Series | 2020/05/27 09:00 | Lenny Hampel v Marko Andrejic | 6-2,6-1 |
| ITF - Heraklion M15 | 2020/03/12 10:20 | Lenny Hampel v Clement Geens | 2-6,6-0,4-6 |
| ITF - Heraklion M15 | 2020/03/11 13:15 | Pietro Marino v Lenny Hampel | 3-6,7-5,3-6 |
| ITF - Heraklion M15 | 2020/03/05 08:30 | Lenny Hampel v Antoine Cornut-Chauvinc | 4-6,3-6 |
| ITF - Heraklion M15 | 2020/03/04 08:30 | Constantin Schmitz v Lenny Hampel | 6-7,6-2,3-6 |
| ITF - Heraklion M15 | 2019/11/28 09:30 | Lenny Hampel v Matija Pecotic | 6-3,4-6,2-6 |
| ITF - Heraklion M15 | 2019/11/27 14:30 | Ioannis Xilas v Lenny Hampel | 4-6,1-6 |