| Hylo Open MD | 2022/11/01 08:45 | Kral/Mendrek v Geiss B / Volker J C | L | 0-2 |
| Scottish Open MD | 2023/10/07 09:00 | Easton/Russ v Kral/Mendrek | L | 2-0 |
| Scottish Open MD | 2023/10/06 19:20 | Matthias Kicklitz/Weisskirchen v Kral/Mendrek | W | 0-2 |
| Polish Int. MD | 2023/09/23 15:00 | Kral/Mendrek v Bochat M / Smilowski P | L | 0-2 |
| Polish Int. MD | 2023/09/23 08:00 | Kral/Mendrek v Dydynski/Krawczyk | W | 2-0 |
| Polish Int. MD | 2023/09/22 17:00 | Kral/Mendrek v Danielak/Perkowski | W | 2-0 |
| World Championships MD | 2023/08/23 18:15 | He/Zhou v Kral/Mendrek | L | 2-0 |
| World Championships MD | 2023/08/21 19:05 | Kral/Mendrek v Flaatten/Rikheim | W | 2-1 |
| European Games MD | 2023/06/26 15:20 | Dunn/Hall v Kral/Mendrek | L | 2-0 |
| Scottish Open MD | 2023/10/07 09:20 | Lundgaard/Vestergaard v Geiss B / Volker J C | L | 2-1 |
| Scottish Open MD | 2023/10/06 20:00 | Crangle/Flockhart v Geiss B / Volker J C | W | 0-2 |
| World Championships MD | 2023/08/23 17:45 | Geiss B / Volker J C v Fikri/Maulana | L | 0-2 |
| World Championships MD | 2023/08/22 10:30 | Castillo/Navarro v Geiss B / Volker J C | W | 0-2 |
| US Open 2019, MD | 2023/07/13 22:45 | Geiss B / Volker J C v Corvee/Labar | L | 0-2 |
| Canada Open MD | 2023/07/04 23:00 | Geiss B / Volker J C v Astrup/Rasmussen | L | 0-2 |
| Nantes Int. MD | 2023/06/16 16:00 | Geiss B / Volker J C v Lu/Tang | L | 0-2 |
| Open de Slovénie - Doubles Hommes | 2023/05/20 15:00 | Grimley/Grimley v Geiss B / Volker J C | L | 2-0 |