| Scottish Open - Herrdubbel | 2021/11/26 18:20 | Garaga/Panjala v Flaatten/Rikheim | L | 2-0 |
| Scottish Open - Herrdubbel | 2021/11/26 11:40 | Mohd Sani/Mohd Sani v Flaatten/Rikheim | W | 0-2 |
| Cypern - Int. - Herrdubbel | 2021/10/15 14:10 | Flaatten/Rikheim v Ioannou/Pissis | W | 2-0 |
| Bulgarian Int. - Herrdubbel | 2021/10/09 08:45 | Gupta/Yap v Flaatten/Rikheim | L | 2-1 |
| Ukraina - Int. - Herrdubbel | 2021/09/09 09:20 | Hess/Volker v Flaatten/Rikheim | L | 2-0 |
| Ukraina - Int. - Herrdubbel | 2021/09/08 11:40 | Filimon/Pratama v Flaatten/Rikheim | W | 1-2 |
| Lettland - Int. - Herrdubbel | 2021/08/28 10:30 | Arif/Haikal v Flaatten/Rikheim | L | 2-0 |
| Spain Masters - Herrdubbel | 2021/05/18 13:20 | Flaatten/Rikheim v Delrue/Villeger | L | 0-2 |
| Welsh Int MD | 2021/12/02 19:40 | Kral/Mendrek v Birker/Stipsits | L | 2-1 |
| Czech Open - Herrdubbel | 2021/10/22 17:40 | Birker/Stipsits v Beh/Goh | L | 1-2 |
| Dutch Open - Herrdubbel | 2021/10/14 14:50 | Birker/Stipsits v Gupta/Yap | L | 0-2 |
| Polen - Int. - Herrdubbel | 2021/09/25 12:00 | Birker/Stipsits v Filimon/Pratama | L | 0-2 |
| Ukraina - Int. - Herrdubbel | 2021/09/09 09:00 | Birker/Stipsits v Adam/Lovang | L | 0-2 |
| Spain Int - Herrdubbel | 2021/06/18 15:15 | Birker/Stipsits v Man/Tee | L | 0-2 |
| Spain Int - Herrdubbel | 2021/06/18 11:15 | Birker/Stipsits v Molares/Perez | W | 2-0 |
| Austrian Open - Herrdubbel | 2021/05/28 15:00 | Birker/Stipsits v Matusz/Trecki | L | 1-2 |