| German Beach Tour - Nurnberg | 2019/06/02 13:00 | Lohmann M / Schröder J v Betzien M / Erdmann J | 0-2 |
| German Beach Tour - Nurnberg | 2019/06/02 08:45 | Betzien M / Erdmann J v Poniewaz B / Poniewaz D | 2-0 |
| German Beach Tour - Nurnberg | 2019/06/01 16:00 | Betzien M / Erdmann J v Wolf G / Wolf P | 2-1 |
| German Beach Tour - Nurnberg | 2019/06/01 08:40 | Betzien M / Erdmann J v Popp M / Sievers M | 2-1 |
| German Beach Tour - Nurnberg | 2019/05/31 15:20 | Betzien M / Erdmann J v John F / Schneider R | 2-0 |
| FIVB Ostrava | 2019/05/29 12:00 | Betzien M / Erdmann J v Ha L / Wu J | 1-2 |
| Smart Beachtour Munster 2019 | 2019/05/12 09:45 | Betzien M / Erdmann J v Becker / Schroder | 2-0 |
| Smart Beachtour Munster 2019 | 2019/05/12 07:30 | Betzien M / Erdmann J v Poniewaz B / Poniewaz D | 0-2 |