| FIVB Doha | 2018/07/28 08:10 | Poniewaz/Poniewaz v Gruhn/Itzigehl | 2-0 |
| FIVB Xiamen Open Women | 2018/07/27 16:15 | Gruhn/Itzigehl v Binder/Fromm | 2-1 |
| FIVB Xiamen Open Women | 2018/07/13 17:00 | Brand/Reinhardt v Gruhn/Itzigehl | 2-1 |
| FIVB Xiamen Open Women | 2018/07/13 14:45 | Klein/Witt v Gruhn/Itzigehl | 2-0 |
| FIVB Xiamen Open Women | 2018/06/29 13:00 | Beck/Späth v Gruhn/Itzigehl | 2-0 |
| FIVB Xiamen Open Women | 2018/06/29 11:00 | Maurer/Westphal v Gruhn/Itzigehl | 2-0 |
| FIVB Xiamen Open Women | 2018/06/15 12:15 | Gruhn/Itzigehl v Menzel/Warsawski | 1-2 |
| FIVB Xiamen Open Women | 2018/06/15 08:00 | Glücklederer/Rudolf v Gruhn/Itzigehl | 1-2 |
| FIVB Doha | 2018/07/28 08:10 | Popp/Stadie v Beck/Doranth | 2-0 |