| Tennis Point Exhibition Series | 2020/05/31 09:35 | Luca Gelhardt v Johannes Haerteis | 2-6,2-6 |
| Tennis Point Exhibition Series | 2020/05/30 10:15 | Jan Choinski v Johannes Haerteis | 4-6,1-6 |
| Tennis Point Exhibition Series | 2020/05/29 09:30 | Constantin Schmitz v Johannes Haerteis | 3-6,7-6,6-2 |
| Tennis Point Exhibition Series | 2020/05/28 08:00 | Tim Puetz v Johannes Haerteis | 6-4,6-2 |
| Tennis Point Exhibition Series | 2020/05/27 11:05 | Florian Broska v Johannes Haerteis | 1-6,4-6 |
| Tennis Point Exhibition Series | 2020/05/17 16:55 | Johannes Haerteis v Rameez Junaid | 3-4,4-0,4-1 |
| Tennis Point Exhibition Series | 2020/05/17 07:00 | Johannes Haerteis v Yannick Stephan Born | 3-4,3-4 |
| Tennis Point Exhibition Series | 2020/05/16 13:00 | Johannes Haerteis v Constantin Schmitz | 1-4,2-4 |