Stadium: Center Court Round: 1
| DTB German Pro Series | 2020/06/11 14:35 | Johannes Haerteis v Mika Lipp | 6-0,6-0 |
| 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 |
| DTB German Pro Series | 2020/06/11 10:30 | Sebastian Fanselow v Christoph Negritu | 4-6,5-7 |
| ITF M15 Trnava | 2020/02/28 09:55 | Danylo Kalenichenko v Christoph Negritu | 7-6,6-3 |
| ITF M15 Trnava | 2020/02/27 10:00 | Christoph Negritu v Patrik Rikl | 6-4,7-6 |
| ITF M15 Trnava | 2020/02/26 10:30 | Christoph Negritu v Kristof Minarik | 6-1,6-2 |
| ITF M15 Trnava | 2020/02/25 09:00 | Christoph Negritu v Andrej Krajcik | 6-2,6-4 |
| ITF M15 Trnava | 2020/02/24 10:30 | Christoph Negritu v Sebastian Pjontek | 6-2,6-1 |
| ITF M15 Oberhaching | 2020/02/21 11:00 | Christoph Negritu v Mick Veldheer | 6-2,3-6,2-6 |
| ITF M15 Oberhaching | 2020/02/20 10:55 | Arthur Reymond v Christoph Negritu | 2-6,6-7 |