| OS 2020 - Damdubbel | 07/29 09:30 | 3 | Lee/Shin v Piek/Seinen | L | 2-0 | |
| OS 2020 - Damdubbel | 07/27 09:00 | 1 | Matsumoto/Nagahara v Piek/Seinen | L | 2-0 | |
| OS 2020 - Damdubbel | 07/26 10:20 | 1 | Piek/Seinen v Hany/Hosny | W | 2-0 | |
| OS 2020 - Damdubbel | 07/24 09:40 | 1 | Piek/Seinen v Honderich/Tsai | W | 2-1 | |
| European Championships - Damdubbel | 05/01 17:00 | 2 | Piek/Seinen v Birch/Smith | L | 0-2 | |
| European Championships - Damdubbel | 04/30 12:00 | 3 | Bøje/Poulsen v Piek/Seinen | W | 1-2 | |
| European Championships - Damdubbel | 04/29 10:40 | 4 | Akchurina/Morozova v Piek/Seinen | W | 0-2 | |
| Orleans Masters - Damdubbel | 03/27 10:30 | 2 | Piek/Seinen v Stoeva/Stoeva | L | 1-2 | |
| Orleans Masters - Damdubbel | 03/26 10:40 | 3 | Piek/Seinen v Fruergaard/Thygesen | W | 2-0 | |
| Orleans Masters - Damdubbel | 03/25 13:00 | 4 | Barkah/Gani v Piek/Seinen | W | 1-2 | |
| Orleans Masters - Damdubbel | 03/24 09:00 | 5 | Akchurina/Morozova v Piek/Seinen | - | Walkover | |
| All England Open - Damdubbel | 03/20 10:00 | 2 | Fukushima/Hirota v Piek/Seinen | L | 2-0 |