| Swiss Open - Damdubbel | 2018/02/23 11:20 | Piek/Seinen v Sakuramoto/Takahata | L | 0-2 |
| Swiss Open - Damdubbel | 2018/02/22 10:40 | Piek/Seinen v Jaques/Vandenhoucke | W | 2-0 |
| Swiss Open - Damdubbel | 2018/02/21 12:40 | Piek/Seinen v Bauer/Ganci | W | 2-0 |
| Indonesia Masters - Mixed dubbel | 2018/01/17 09:20 | Awanda/Istarani v Piek/Seinen | L | 2-0 |
| Giraldilla Int. - Mixed dubbel | 2018/01/10 11:00 | Amitrapai/Chochuwong v Piek/Seinen | L | 2-0 |
| Giraldilla Int. - Mixed dubbel | 2017/11/26 11:00 | Piek/Seinen v Bolotova/Davletova | W | 2-1 |
| Giraldilla Int. - Mixed dubbel | 2017/11/25 13:35 | Chervyakova/Morozova v Piek/Seinen | W | 0-2 |
| Indonesia Masters - Mixed dubbel | 2017/11/24 19:15 | Piek/Seinen v Jakobsen/Soby | W | 2-0 |
| Swiss Open - Damdubbel | 2018/02/22 14:35 | Herttrich/Nelte v Sakuramoto/Takahata | L | 1-2 |
| Swiss Open - Damdubbel | 2018/02/21 11:30 | Amitrapai/Chochuwong v Herttrich/Nelte | W | 1-2 |
| Indonesia Masters - Mixed dubbel | 2018/02/16 08:30 | Lefel/Tran v Herttrich/Nelte | W | 1-2 |
| Indonesia Masters - Mixed dubbel | 2018/02/14 09:00 | Herttrich/Nelte v Ilyinskaya/Zharka | W | 2-1 |
| All England Open | 2017/11/22 04:45 | Chen/Jia v Herttrich/Nelte | L | 2-0 |
| All England Open | 2017/11/16 02:50 | Mapasa/Somerville v Herttrich/Nelte | L | 2-0 |
| All England Open | 2017/11/15 05:45 | Fruergaard/Thygesen v Herttrich/Nelte | W | 1-2 |
| Indonesia Masters - Mixed dubbel | 2017/11/03 13:55 | Stoeva/Stoeva v Herttrich/Nelte | L | 2-0 |