| Slovenia Future Series MD Qual | 2021/11/25 17:45 | Barth/Danila Gataullin v Koppen/Stoffelen | W | 1-2 |
| Slovenia Future Series MD Qual | 2021/11/25 11:20 | Alic G / Poboljsaj M v Koppen/Stoffelen | W | 0-2 |
| Bulgarian Int. MD Qual | 2021/10/07 14:30 | Koppen/Stoffelen v Østhassel/Xu | W | 2-0 |
| Dutch Open MD | 2021/10/15 17:55 | Sondergaard/Toft v Haase/Vlaar | L | 2-0 |
| Dutch Open MD | 2021/10/14 15:25 | Haase/Vlaar v 매기 J / 레이놀즈 P | W | 2-1 |