| German Beach Tour Dusseldorf | 06/22 12:10 | - | Schneider/Wolf v Betzien/Erdmann | 2-1 | |
| FIVB Warsaw | 06/14 11:10 | - | Erdmann/Betzien v Plavins/Tocs | 0-2 | |
| FIVB Warsaw | 06/13 13:00 | - | Mol/Sorum v Betzien/Erdmann | 2-0 | |
| FIVB Warsaw | 06/12 16:00 | - | Slick/Allen v Betzien/Erdmann | 1-2 | |
| FIVB Warsaw | 06/12 11:20 | - | Betzien/Erdmann v Gonzalez/Reyes | 2-0 | |
| German Beach Tour - Nurnberg | 06/02 13:00 | - | Lohmann/Schröder v Betzien/Erdmann | 0-2 | |
| German Beach Tour - Nurnberg | 06/02 08:45 | - | Betzien/Erdmann v Poniewaz/Poniewaz | 2-0 | |
| German Beach Tour - Nurnberg | 06/01 16:00 | - | Betzien/Erdmann v Wolf/Wolf | 2-1 | |
| German Beach Tour - Nurnberg | 06/01 08:40 | - | Betzien/Erdmann v Popp/Sievers | 2-1 | |
| German Beach Tour - Nurnberg | 05/31 15:20 | - | Betzien/Erdmann v Schneider/Filip | 2-0 | |
| FIVB Ostrava | 05/29 12:00 | - | Betzien/Erdmann v Wu Jiaxin/Ha Likejiang | 1-2 | |
| Smart Beachtour Munster 2019 | 05/12 09:45 | - | Betzien/Erdmann v Becker/Schröder | 2-0 |