| FIVB Xiamen Open | 2018/06/22 15:00 | Mersmann/Christ v Fröhlich/Scott | 1-2 |
| FIVB Xiamen Open | 2018/06/22 15:00 | Hoja/Huttermann v Claassen/Interwies | 2-0 |
| FIVB Xiamen Open Women | 2018/06/22 12:15 | Claassen/Interwies v Doss/Nikolaus | 2-0 |
| FIVB Xiamen Open Women | 2018/06/22 08:00 | Claassen/Interwies v Stenchly/Werscheck | 2-0 |
| FIVB Xiamen Open Women | 2018/06/15 13:45 | Hoppner/Laggner v Claassen/Interwies | 2-0 |
| FIVB Xiamen Open Women | 2018/06/15 11:45 | Hassenstein/Schurholz v Claassen/Interwies | 0-2 |
| FIVB Xiamen Open Women | 2018/06/15 11:30 | H'stein/Schurholz v Claassen/Interwies | 6-10 |
| FIVB Doha | 2018/06/09 11:30 | Claassen/Interwies v Behlen/Schneider | 0-2 |
| FIVB Doha | 2018/06/09 08:30 | Dubovcova/Strbova v Claassen/Interwies | 2-0 |