| Giraldilla Int. XD | 2018/11/23 14:40 | Geiss B / Volker J C v Lamsfuss/Seidel | L | 0-2 |
| Belgian Int. MD | 2019/09/14 15:00 | Geiss B / Volker J C v Lane/Vendy | L | 0-2 |
| Belgian Int. MD | 2019/09/13 17:30 | Lundgaard D / Thyrri M v Geiss B / Volker J C | W | 1-2 |
| Belgian Int. MD | 2019/09/13 09:00 | Russ Z / Stallwood S v Geiss B / Volker J C | W | 0-2 |
| Belgian Int. MD | 2019/09/12 14:00 | Duijs G / van Der Aar W v Geiss B / Volker J C | W | 0-2 |
| Kharkiv International 2019, MD | 2019/09/07 08:20 | Ellis M / Langridge C v Geiss B / Volker J C | L | 2-1 |
| Kharkiv International 2019, MD | 2019/09/06 14:00 | Abdelkader / Abdelk. v Geiss B / Volker J C | W | 0-2 |
| Kharkiv International 2019, MD | 2019/09/05 13:00 | Geiss B / Volker J C v Altunyan R / Chakalov O | W | 2-0 |
| World Championships MD | 2019/08/19 12:50 | Geiss B / Volker J C v Ong/Teo | L | 0-2 |
| Fuzhou China Open 2019, MD | 2019/09/18 10:15 | Lamsfuss/Seidel v Inoue T / Kaneko Y | L | 0-2 |
| Vietnam Open MD | 2019/09/12 09:20 | Na S S / Wang C v Lamsfuss/Seidel | L | 2-1 |
| Vietnam Open MD | 2019/09/11 13:50 | Chang / Lu v Lamsfuss/Seidel | W | 1-2 |
| World Championships MD | 2019/08/22 14:00 | Liu/Zhang v Lamsfuss/Seidel | L | 2-0 |
| World Championships MD | 2019/08/21 10:20 | Lamsfuss/Seidel v Endo H / Watanabe Y | W | 2-1 |
| World Championships MD | 2019/08/20 14:00 | Lamsfuss/Seidel v Chrisnanta D B / Loh K H | W | 2-1 |
| Open de Thaïlande - Doubles Hommes | 2019/07/30 10:55 | Han / Zhou v Lamsfuss/Seidel | L | 2-1 |
| Japan Open MD | 2019/07/24 07:00 | Lamsfuss/Seidel v Ahsan/Setiawan | L | 0-2 |