Stadium: Center Court Round: 1
| DTB German Pro Series | 2020/06/12 14:45 | Haerteis, Johannes v Christoph Negritu | 7-6,3-6,6-2 |
| DTB German Pro Series | 2020/06/11 14:35 | Haerteis, Johannes v Mika Lipp | 6-0,6-0 |
| Exo Tennis Germany Series | 2020/05/31 09:35 | Gelhardt, Luca v Haerteis, Johannes | 2-6,2-6 |
| Exo Tennis Germany Series | 2020/05/30 10:15 | Jan Choinski v Haerteis, Johannes | 4-6,1-6 |
| Exo Tennis Germany Series | 2020/05/29 09:30 | Schmitz, Constantin v Haerteis, Johannes | 3-6,7-6,6-2 |
| Exo Tennis Germany Series | 2020/05/28 08:00 | Puetz, Tim v Haerteis, Johannes | 6-4,6-2 |
| Exo Tennis Germany Series | 2020/05/27 11:05 | Florian Broska v Haerteis, Johannes | 1-6,4-6 |
| Exo Tennis Germany Series | 2020/05/17 16:55 | Haerteis, Johannes v JUNAID R. | 3-4,4-0,4-1 |
| DTB German Pro Series | 2020/06/12 09:55 | Sebastian Fanselow v Mika Lipp | 2-6,2-6 |
| DTB German Pro Series | 2020/06/11 10:30 | Sebastian Fanselow v Christoph Negritu | 4-6,5-7 |
| ITF M15 Faro | 2020/03/08 16:00 | Sebastian Fanselow v Cacao, Tiago | 6-3,6-3 |
| ITF M15 Faro | 2020/03/07 12:00 | Sebastian Fanselow v Evan Furness | 6-4,6-0 |
| ITF M15 Faro | 2020/03/06 11:00 | Riccardo Bonadio v Sebastian Fanselow | 4-6,2-6 |
| ITF M15 Faro | 2020/03/05 12:00 | Arjun Kadhe v Sebastian Fanselow | 2-6,4-6 |
| ITF M15 Faro | 2020/03/04 11:30 | Pedro Araujo v Sebastian Fanselow | 2-6,3-6 |
| ITF M15 Vale Do Lobo | 2020/02/29 11:00 | Riccardo Bonadio v Sebastian Fanselow | 6-3,6-4 |