| Polish International - Herredouble | 2021/09/24 10:20 | Sondergaard/Toft v Duijs/Van Der Aar | W | 2-0 |
| Denmark Masters - Herredouble | 2021/08/06 11:00 | Sondergaard/Toft v Corvee/Labar | L | 1-2 |
| Austrian Open - Herredouble | 2021/05/29 11:10 | Chang/Chia v Sondergaard/Toft | L | 2-1 |
| Austrian Open - Herredouble | 2021/05/28 15:40 | Sondergaard/Toft v Janacek/Svejda | W | 2-0 |
| Slovenia International - Herredouble | 2021/05/20 17:20 | Sondergaard/Toft v Arif/Haikal | L | 0-2 |
| Portuguese Int. MD | 2021/05/08 11:20 | Lauritzen/Vestergaard v Sondergaard/Toft | L | 2-1 |
| Orleans Masters MD | 2021/03/24 17:10 | Sondergaard/Toft v Kræmer/Rindshøj | L | 1-2 |
| SaarLorLux Open MD | 2020/10/30 13:10 | Sondergaard/Toft v Jansen/Kaesbauer | L | 1-2 |