| Dusseldorf Masters | 2020/06/25 09:00 | Dang Qiu v Steffen Mengel | L | 4-2 |
| Dusseldorf Masters | 2020/06/23 10:05 | Omar Assar v Steffen Mengel | W | 0-4 |
| Dusseldorf Masters | 2020/06/23 07:30 | Steffen Mengel v Kirill Fadeev | W | 4-0 |
| Dusseldorf Masters | 2020/06/09 09:15 | Steffen Mengel v Kanak Jha | L | 2-3 |
| Dusseldorf Masters | 2020/06/08 10:00 | Steffen Mengel v Kay Stumper | W | 3-0 |
| Open d’Ungheria | 2020/02/18 15:30 | Steffen Mengel v Tristan Flore | L | 2-4 |
| Champions League Europea | 2020/02/14 18:40 | Patrick Franziska v Steffen Mengel | W | 1-3 |
| Champions League Europea | 2020/02/14 18:00 | Kun Shang v Steffen Mengel | L | 3-0 |
| Dusseldorf Masters | 2020/07/10 17:00 | Dang Qiu v Tobias Slanina | L | 4-0 |
| Dusseldorf Masters | 2020/06/22 09:00 | Bastian Steger v Tobias Slanina | L | 4-0 |
| Dusseldorf Masters | 2020/06/15 09:00 | Fanbo Meng v Tobias Slanina | L | 4-0 |