| Denmark Open WD | 2021/10/19 10:30 | Busch/Schulz v Huang/Yu | L | 0-2 |
| Denmark Masters WD | 2021/08/06 16:00 | Busch/Schulz v Magnusson/Nistad | L | 1-2 |
| Portuguese Int. WD | 2021/05/09 14:40 | Marran/Rüütel v Busch/Schulz | W | 0-2 |
| Portuguese Int. WD | 2021/05/09 08:20 | Hopton/Pugh v Busch/Schulz | W | 0-2 |
| Portuguese Int. WD | 2021/05/08 14:40 | Tirtosentono/Van Der Aar v Busch/Schulz | W | 0-2 |
| Portuguese Int. WD | 2021/05/08 09:20 | Casier/Hoyaux v Busch/Schulz | W | 0-2 |
| All England Open WD | 2021/03/17 14:05 | Marran/Rüütel v Busch/Schulz | L | 2-1 |
| Swiss Open WD | 2021/03/03 15:30 | Busch/Schulz v Honderich/Tsai | L | 1-2 |