| Open d'Irlanda DX | 2021/11/19 10:00 | Piek/Tabeling v Lecq/Jille | W | 2-0 |
| Open d'Irlanda DX | 2021/11/18 13:00 | Piek/Tabeling v Reynolds/Darragh | W | 2-0 |
| Open d'Irlanda DX | 2021/11/18 09:00 | Piek/Tabeling v Pringle/Andrew | W | 2-0 |
| Hylo Open DX | 2021/11/02 13:20 | Puavaranukroh/Taerattanachai v Piek/Tabeling | L | 2-0 |
| Open di Francia DX | 2021/10/28 11:30 | Puavaranukroh/Taerattanachai v Piek/Tabeling | L | 2-0 |
| Open di Francia DX | 2021/10/26 08:00 | Dremin/Dimova v Piek/Tabeling | W | 0-2 |
| Open di Danimarca DX | 2021/10/19 14:05 | Huang/Wang v Piek/Tabeling | L | 2-0 |
| Open d'Olanda DX | 2021/10/17 11:40 | Piek/Tabeling v Mikkelsen/Soby | L | 1-2 |
| Open d'Irlanda DX | 2021/11/19 10:00 | Mairs/Mairs v Basova/Kaisti | W | 2-0 |
| Open d'Irlanda DX | 2021/11/18 13:00 | Mairs/Mairs v Toft/Graversen | W | 2-1 |
| Open d'Irlanda DX | 2021/11/18 09:20 | Busch/Espersen v Mairs/Mairs | W | 1-2 |
| Internazionali del Belgio DX | 2021/10/29 08:00 | Mairs/Mairs v Yamashita/Shinoya | L | 0-2 |
| Internazionali del Belgio DX | 2021/10/28 12:20 | Chiu/Gai v Mairs/Mairs | W | 0-2 |
| All England Open DX | 2021/03/17 18:00 | Mairs/Mairs v Chen/Peck | L | 1-2 |
| Internazionali di Spagna DX | 2019/06/14 07:00 | Jansen/Ostermeyer v Mairs/Mairs | W | 0-2 |
| Giraldilla International DX | 2018/08/30 10:20 | Moelhede/Lundgaard v Mairs/Mairs | L | 2-1 |