| Tennis Point Exhibition Series | 2020/07/16 07:00 | Sebastian Fanselow v Constantin Schmitz | 1-6,6-4,4-6 |
| Tennis Point Exhibition Series | 2020/07/15 15:05 | Sebastian Fanselow v Hazem Naw | 6-3,2-6,6-4 |
| Tennis Point Exhibition Series | 2020/07/14 11:15 | Sebastian Fanselow v Benjamin Hassan | 3-6,6-4,6-3 |
| DTB German Pro Series | 2020/06/27 10:30 | Sebastian Fanselow v Constantin Schmitz | 6-3,6-2 |
| DTB German Pro Series | 2020/06/26 08:00 | Constantin Schmitz v Sebastian Fanselow | 3-6,2-6 |
| DTB German Pro Series | 2020/06/25 10:10 | Max Wiskandt v Sebastian Fanselow | 2-6,4-6 |
| DTB German Pro Series | 2020/06/24 11:05 | Adrian Oetzbach v Sebastian Fanselow | 3-6,4-6 |
| DTB German Pro Series | 2020/06/13 15:30 | Johannes Haerteis v Sebastian Fanselow | 6-4,6-4 |
| Tennis Point Exhibition Series | 2020/07/16 11:45 | Dominik Fritsche v Frederik Nielsen | 1-6,2-6 |
| Tennis Point Exhibition Series | 2020/07/15 14:05 | Julien Penzlin v Frederik Nielsen | 2-6,1-6 |
| Tennis Point Exhibition Series | 2020/07/14 09:50 | Julian Worn v Frederik Nielsen | 3-6,1-6 |
| Davis Cup | 2020/03/07 12:40 | Frederik Nielsen v Ignacio Garcia | 7-6,6-2 |
| ATP New York | 2020/02/09 20:30 | Go Soeda v Frederik Nielsen | 6-1,6-2 |
| Challenger Phoenix | 2019/03/13 18:40 | Frederik Nielsen v Peter Polansky | 6-7,3-6 |
| Challenger Phoenix | 2019/03/11 17:00 | Frederik Nielsen v Fabrice Martin | 6-4,7-6 |
| Challenger Noumea | 2018/12/31 04:05 | Daniel Masur v Frederik Nielsen | 6-1,5-7,6-4 |