| Croatia International - Kvalifikation | 2019/04/18 08:10 | Rudiger Gnedt v Jakob Stage | L | 1-2 |
| Swiss Open - Kvalifikation - Damedouble | 2018/11/21 09:32 | Alex Lane v Rudiger Gnedt | L | 2-0 |
| Giraldilla Int. XD | 2018/10/30 18:00 | Harsheel Dani v Rudiger Gnedt | L | 2-0 |
| Swiss Open - Kvalifikation - Damedouble | 2018/10/30 10:55 | Julian Edhofer v Rudiger Gnedt | W | 0-2 |
| Swiss Open - Kvalifikation - Damedouble | 2018/03/06 08:00 | Rudiger Gnedt v Kalle Koljonen | L | 0-2 |
| Indonesia Masters - Mixdouble | 2017/11/22 18:10 | Rudiger Gnedt v Gergely Krausz | L | 0-2 |
| Indonesia Masters - Mixdouble | 2017/02/28 13:22 | Rudiger Gnedt v Max Weisskirchen | L | 0-2 |
| Indonesia Masters - Mixdouble | 2016/11/23 20:10 | Rudiger Gnedt v Matthew Carder | L | 0-2 |
| Latvia Int. Qual | 2019/05/30 10:00 | Mattias Sonderskov v Magnus Johannesen | L | 0-2 |
| Hellas International - Kvalifikation | 2019/05/02 12:30 | Nicolas A. Mueller v Mattias Sonderskov | L | 2-0 |
| Croatia International - Kvalifikation | 2019/04/18 09:20 | Mattias Sonderskov v Borko Petrovic | L | 1-2 |
| Dutch International - Kvalifikation | 2019/04/11 07:05 | Robby Bronselaer v Mattias Sonderskov | W | 0-2 |
| Swiss Open - Kvalifikation - Damedouble | 2019/02/27 07:00 | Luke Pearce v Mattias Sonderskov | L | 2-0 |
| Swiss Open - Kvalifikation - Damedouble | 2018/11/28 11:30 | Andrew Heinemann v Mattias Sonderskov | L | 2-1 |
| Swiss Open - Kvalifikation - Damedouble | 2018/04/12 10:35 | Mattias Sonderskov v Aram Mahmoud | L | 0-2 |
| Indonesia Masters - Mixdouble | 2017/10/31 17:00 | Mattias Sonderskov v Christoph Offermann | L | 0-2 |