| Austrian Pro Series Singles | 2020/05/29 12:00 | Melzer, Jurgen v Hampel, Lenny | 6-1,6-7,6-4 |
| Austria Bundesliga | 2019/09/08 09:00 | Melzer, Jurgen v Hampel, Lenny | 7-6,6-2 |
| Austrian Pro Series Singles | 2020/06/06 14:50 | Melzer, Jurgen v Lukas Neumayer | 6-4,3-6,5-7 |
| Austrian Pro Series Singles | 2020/06/04 12:35 | Melzer, Jurgen v Sandro Kopp | 7-5,5-7,6-0 |
| Austrian Pro Series Singles | 2020/06/02 14:00 | Dominic Thiem v Melzer, Jurgen | 6-3,6-2 |
| Austrian Pro Series Singles | 2020/05/29 12:00 | Melzer, Jurgen v Hampel, Lenny | 6-1,6-7,6-4 |
| Austrian Pro Series Singles | 2020/05/28 17:40 | Melzer, Jurgen v Andrejic, Marko | 6-1,6-1 |
| Austrian Pro Series Singles | 2020/05/27 10:20 | Melzer, Jurgen v Jurij Rodionov | 6-4,1-6,7-6 |
| Austria Bundesliga | 2019/09/08 09:00 | Melzer, Jurgen v Hampel, Lenny | 7-6,6-2 |
| Winston-Salem, USA | 2019/08/17 16:00 | Fratangelo, Bjorn v Melzer, Jurgen | 6-4,6-4 |
| Austrian Pro Series Singles | 2020/06/12 14:00 | Hampel, Lenny v Jonas Trinker | 6-3,6-4 |
| Austrian Pro Series Singles | 2020/06/09 07:00 | Dennis Novak v Hampel, Lenny | 6-4,4-6,4-6 |
| Austrian Pro Series Singles | 2020/06/08 13:10 | Hampel, Lenny v Erler, Alexander | 4-6,6-3,6-4 |
| Austrian Pro Series Singles | 2020/06/07 09:30 | Dominic Thiem v Hampel, Lenny | 6-3,6-0 |
| Austrian Pro Series Singles | 2020/06/04 08:20 | Jurij Rodionov v Hampel, Lenny | 5-7,1-6 |
| Austrian Pro Series Singles | 2020/06/02 17:00 | David Pichler v Hampel, Lenny | 7-6,6-2 |
| Austrian Pro Series Singles | 2020/05/29 12:00 | Melzer, Jurgen v Hampel, Lenny | 6-1,6-7,6-4 |
| Austrian Pro Series Singles | 2020/05/28 07:00 | Jurij Rodionov v Hampel, Lenny | 7-6,0-6,6-4 |