| FIVB Xiamen Open | 2018/06/03 05:00 | Gao/Li v Betzien/Erdmann | 2-0 |
| FIVB Xiamen Open | 2018/06/03 02:00 | Ehlers/Schumann v Betzien/Erdmann | 2-0 |
| FIVB Xiamen Open Women | 2018/06/02 08:40 | Betzien/Erdmann v Surin/Adisorn | 2-0 |
| FIVB Xiamen Open Women | 2018/06/02 06:10 | Betzien/Erdmann v Takahashi/Ishijima | 2-0 |
| FIVB Xiamen Open Women | 2018/06/01 08:00 | Mayer/Crabb v Betzien/Erdmann | 2-0 |
| FIVB Xiamen Open Women | 2018/06/01 03:00 | Betzien/Erdmann v Zaun/Field | 2-0 |
| FIVB Xiamen Open | 2018/03/17 15:00 | Betzien/Erdmann v Boehlé/Van De Velde | 0-2 |
| FIVB Xiamen Open | 2018/03/16 20:00 | Brouwer/Meeuwsen v Betzien/Erdmann | 2-0 |