| Open de Slovénie - Doubles Hommes | 2023/05/20 15:00 | Grimley/Grimley v Geiss B / Volker J C | L | 2-0 |
| Dutch Open MD | 2022/10/15 09:20 | Geiss B / Volker J C v Grimley/Grimley | L | 0-2 |
| Welsh Int. MD | 2023/12/02 11:20 | Sondergaard/Toft v Geiss B / Volker J C | W | 1-2 |
| Welsh Int. MD | 2023/12/01 19:20 | Geiss B / Volker J C v Jansen/Neumann | W | 2-0 |
| Welsh Int. MD | 2023/12/01 12:20 | Geiss B / Volker J C v MacGregor/Pringle | W | 2-0 |
| Welsh Int. MD | 2023/11/30 16:35 | Geiss B / Volker J C v Butler/Jarvis | W | 2-0 |
| Irish Open MD | 2023/11/17 11:00 | Chan/Chu v Geiss B / Volker J C | L | 2-1 |
| Irish Open MD | 2023/11/16 18:00 | Lecq/Van Wijlick v Geiss B / Volker J C | W | 1-2 |
| Irish Open MD | 2023/11/16 15:00 | Jack/Meldrum v Geiss B / Volker J C | W | 0-2 |
| Hylo Open MD | 2023/11/02 14:25 | Tan/Zhou v Geiss B / Volker J C | L | 2-0 |
| Welsh Int. MD | 2023/12/02 11:00 | Grimley/Grimley v Begga/Labarthe | W | 2-0 |
| Welsh Int. MD | 2023/12/01 19:00 | Garcia/Piris v Grimley/Grimley | W | 0-2 |
| Welsh Int. MD | 2023/12/01 13:20 | Rusev/Stoynov v Grimley/Grimley | W | 0-2 |
| Welsh Int. MD | 2023/11/30 16:20 | Hess/Scheiel v Grimley/Grimley | W | 1-2 |
| Irish Open MD | 2023/11/18 14:20 | Sondergaard/Toft v Grimley/Grimley | W | 1-2 |
| Irish Open MD | 2023/11/17 18:30 | Chan/Chu v Grimley/Grimley | W | 0-2 |
| Irish Open MD | 2023/11/17 11:20 | Espersen/Rindshoej v Grimley/Grimley | W | 0-2 |
| Irish Open MD | 2023/11/16 21:00 | Jansen/Neumann v Grimley/Grimley | W | 0-2 |