| FIVB - Ostrava | 2019/05/29 12:00 | Betzien/Erdmann v Wu/Ha | 1-2 |
| 2019 Smart Beachtour - Münster | 2019/05/12 09:45 | Betzien/Erdmann v Becker/Schröder | 2-0 |
| 2019 Smart Beachtour - Münster | 2019/05/12 07:30 | Betzien/Erdmann v Poniewaz/Poniewaz | 0-2 |
| 2019 Smart Beachtour - Münster | 2019/05/11 14:00 | Bergmann/Harms v Betzien/Erdmann | 0-2 |
| 2019 Smart Beachtour - Münster | 2019/05/11 10:30 | John/Stadie v Betzien/Erdmann | 0-2 |
| 2019 Smart Beachtour - Münster | 2019/05/11 07:50 | Betzien/Erdmann v Dollinger/Kulzer | 2-0 |
| 2019 Smart Beachtour - Münster | 2019/05/10 12:00 | Betzien/Erdmann v Bevers/Geukes | 0-2 |
| FIVB - Kuala Lumpur | 2019/04/30 08:00 | Betzien/Erdmann v Popov/Gordieiev | 0-2 |
| FIVB - Open de Xiamen | 2017/06/30 13:15 | Schneider/Filip v Rudolf/Siren | 1-2 |
| FIVB - Open de Xiamen | 2017/06/30 11:00 | Bevers/Geukes v Schneider/Filip | 2-0 |