| Bulgarian Int. - Mixed dubbel | 2021/10/08 06:45 | Trecki/Swierczynska v Uzunov/Nalbantova | W | 2-0 |
| Polen - Int. - Mixed dubbel | 2021/09/24 10:00 | Trecki/Swierczynska v Wassink/Tirtosentono | L | 0-2 |
| Lettland - Int. - Mixed dubbel | 2021/08/29 07:00 | Yap/Siow v Trecki/Swierczynska | L | 2-1 |
| Lettland - Int. - Mixed dubbel | 2021/08/28 13:20 | Trecki/Swierczynska v Männik/Uprus | W | 2-0 |
| Lettland - Int. - Mixed dubbel | 2021/08/28 07:30 | Zirk/Hoop v Trecki/Swierczynska | W | 0-2 |
| Lettland - Int. - Mixed dubbel | 2021/08/27 10:40 | Ivanic/Arih v Trecki/Swierczynska | W | 0-2 |
| Hellas Int. - Mixed dubbel | 2021/09/04 07:00 | Ivanic/Arih v Stoynov/Popovska | L | 2-0 |
| Hellas Int. - Mixed dubbel | 2021/09/03 12:50 | Ivancic/Salehar v Stoynov/Popovska | W | 0-2 |
| Denmark Masters - Mixed dubbel - Kval | 2021/08/05 10:40 | Stoynov/Popovska v Kræmer/Kudsk | L | 0-2 |
| Spain Int - Mixed dubbel | 2021/06/17 11:00 | Tee/Teoh v Stoynov/Popovska | L | 2-0 |
| Austrian Open - Mixed dubbel | 2021/05/29 08:00 | Villeger/Bauer v Stoynov/Popovska | L | 2-1 |
| Austrian Open - Mixed dubbel | 2021/05/28 11:20 | Stoynov/Popovska v Stipsits/Au Yeong | W | 2-0 |
| Slovenia Int. - Mixed dubbel | 2021/05/21 08:00 | Stoynov/Popovska v Sunekaer/Werge | L | 0-2 |
| Slovenia Int. - Mixed dubbel | 2021/05/20 08:40 | Stoynov/Popovska v Kulisek/Fuchsova | W | 2-1 |