| Open de Slovaquie - Qualif. | 2022/03/02 16:20 | Dennis Koppen v Ludvig Petre Olsson | W | 2-0 |
| Open de Slovaquie - Qualif. | 2022/03/02 11:40 | Dennis Koppen v Max Svensson | W | 2-0 |
| Open de Suède - Qualif. | 2022/01/20 09:00 | Dennis Koppen v Mads Juel Moller | L | 1-2 |
| Italian Int. Qual | 2021/12/16 14:25 | Dennis Koppen v Yanis Gaudin | L | 1-2 |
| Slovenia Future Series Qual | 2021/11/25 19:30 | Viktor Ording Kauffman v Dennis Koppen | L | 2-0 |
| Hellas Open Qual | 2019/08/08 11:15 | Dennis Koppen v Tze Yong Ng | L | 0-2 |
| Hellas Open Qual | 2019/08/08 08:55 | Dennis Koppen v Beketov, Glib | W | 2-0 |
| Hellas Open Qual | 2019/08/08 07:30 | Dennis Koppen v Choo, K. Q. | W | 2-0 |
| Open de Slovaquie - Qualif. | 2022/03/02 15:35 | Dominik Kwinta v Christian Faust Kjaer | W | 2-1 |
| Open de Slovaquie - Qualif. | 2022/03/02 09:45 | Rudolf, Tobias v Dominik Kwinta | W | 0-2 |
| Open de Suède | 2022/01/21 09:10 | Bundgaard, Martin v Dominik Kwinta | L | 2-0 |
| Open de Suède - Qualif. | 2022/01/20 16:40 | Dominik Kwinta v Karl Kert | W | 2-0 |
| Open de Suède - Qualif. | 2022/01/20 14:30 | Dominik Kwinta v Maynard, Mitchell | W | 2-0 |
| Welsh Int Qual | 2021/12/01 12:30 | Gergo Pytel v Dominik Kwinta | L | 2-0 |
| Cyprus Int. Qual | 2021/10/14 07:00 | Lebedev, Georgii v Dominik Kwinta | L | 2-0 |
| Polish Int. Qual | 2021/09/23 10:00 | Priyanshu Rajawat v Dominik Kwinta | L | 2-0 |