| European Games WD | 2019/06/29 15:00 | Birch/Smith v Piek/Seinen | W | 1-2 |
| Dutch Open WD | 2018/10/12 17:00 | Birch/Smith v Piek/Seinen | W | 1-2 |
| European Championships WD | 2021/04/30 12:00 | Boje/Poulsen v Piek/Seinen | W | 1-2 |
| European Championships WD | 2021/04/29 10:40 | Akchurina/Morozova v Piek/Seinen | W | 0-2 |
| Orleans Masters WD | 2021/03/27 10:30 | Piek/Seinen v Stoeva/Stoeva | L | 1-2 |
| Orleans Masters WD | 2021/03/26 10:40 | Piek/Seinen v Fruergaard/Thygesen | W | 2-0 |
| Orleans Masters WD | 2021/03/25 13:00 | Barkah/Gani v Piek/Seinen | W | 1-2 |
| All England Open WD | 2021/03/20 10:00 | Fukushima/Hirota v Piek/Seinen | L | 2-0 |
| All England Open WD | 2021/03/19 10:00 | Piek/Seinen v Ponnappa/Reddy | W | 2-0 |
| All England Open WD | 2021/03/17 14:30 | Piek/Seinen v Magnusson/Nistad | W | 2-0 |
| European Championships WD | 2021/04/30 11:50 | Efler/Herttrich v Birch/Smith | W | 0-2 |
| European Championships WD | 2021/04/29 11:00 | Basova/Fuchsova v Birch/Smith | W | 0-2 |
| Orleans Masters WD | 2021/03/26 10:20 | Birch/Smith v Ponnappa/Reddy | L | 0-2 |
| Orleans Masters WD | 2021/03/25 11:40 | Birch/Smith v Au Yeong/Hochmeir | W | 2-0 |
| Orleans Masters WD | 2021/03/24 14:45 | Birch/Smith v Hoareau/Pognante | W | 2-0 |
| All England Open WD | 2021/03/19 10:00 | Fukushima/Hirota v Birch/Smith | L | 2-1 |
| All England Open WD | 2021/03/18 10:20 | Birch/Smith v Nielsen/Steffensen | W | 2-0 |
| All England Open WD | 2021/03/17 16:00 | Birch/Smith v K. Bhat/Gautam | W | 2-0 |