| FIVB Doha | 2018/08/31 08:00 | Bieneck/Schneider v Claassen/Interwies | 2-0 |
| FIVB Doha | 2018/08/11 09:50 | Claassen/Interwies v Klinke/Kotzan | 0-2 |
| FIVB Doha | 2018/08/11 06:30 | Karnbaum/Niemczyk v Claassen/Interwies | 2-0 |
| FIVB Xiamen Open Women | 2018/08/10 15:30 | Claassen/Interwies v Blazek/Muschter | 2-0 |
| FIVB Xiamen Open Women | 2018/08/10 11:00 | Claassen/Interwies v Ludtke/Walther | 2-0 |
| FIVB Doha | 2018/07/28 09:50 | Bieneck/Stautz v Claassen/Interwies | 2-1 |
| FIVB Doha | 2018/07/28 06:30 | Aulenbrock/Ferger v Claassen/Interwies | 2-0 |
| FIVB Doha | 2018/07/14 15:30 | Walkenhorst/Overländer v Claassen/Interwies | 2-0 |