| Austrian Tennis Championship | 2020/07/07 09:00 | Lenny Hampel v Marko Andrejic | 6-2,6-1 |
| Austrian Tennis Championship | 2020/07/01 10:50 | Marko Andrejic v Lenny Hampel | 7-5,1-6,2-6 |
| Austrian Pro Series | 2020/05/27 09:00 | Lenny Hampel v Marko Andrejic | 6-2,6-1 |
| Austrian Tennis Championship | 2020/07/16 10:55 | Sandro Kopp v Lenny Hampel | 6-3,7-5 |
| Austrian OTV Series | 2020/07/16 07:00 | Lenny Hampel v Moritz Thiem | 6-1,6-0 |
| Austrian OTV Series | 2020/07/15 10:00 | Hans Peter Kaufmann v Lenny Hampel | 4-6,2-6 |
| Austrian Tennis Championship | 2020/07/14 11:30 | Lenny Hampel v Michael Gloeckler | 6-3,6-2 |
| Austrian Tennis Championship | 2020/07/07 09:00 | Lenny Hampel v Marko Andrejic | 6-2,6-1 |
| Austrian Tennis Championship | 2020/07/06 12:20 | Lenny Hampel v Luka Mrsic | 6-3,6-0 |
| Austrian Tennis Championship | 2020/07/03 14:05 | Dennis Novak v Lenny Hampel | 6-3,6-7,7-6 |
| Austrian Tennis Championship | 2020/07/02 13:10 | Jurij Rodionov v Lenny Hampel | 4-6,0-6 |
| Austrian Tennis Championship | 2020/07/07 09:00 | Lenny Hampel v Marko Andrejic | 6-2,6-1 |
| Austrian Tennis Championship | 2020/07/01 10:50 | Marko Andrejic v Lenny Hampel | 7-5,1-6,2-6 |
| Austrian Pro Series | 2020/05/30 16:00 | Marko Andrejic v Neil Oberleitner | 6-7,3-6 |
| Austrian Pro Series | 2020/05/29 15:10 | Jurij Rodionov v Marko Andrejic | 4-6,6-2,6-4 |
| Austrian Pro Series | 2020/05/28 17:40 | Jurgen Melzer v Marko Andrejic | 6-1,6-1 |
| Austrian Pro Series | 2020/05/27 09:00 | Lenny Hampel v Marko Andrejic | 6-2,6-1 |