| Indonesia Masters - Mixed dubbel | 2016/11/24 10:40 | Mariya Mitsova v Katerina Tomalova | L | 2-0 |
| Slovak Open Women | 2022/03/03 14:00 | Katerina Tomalova v Aditi Bhatt | L | 0-2 |
| Welsh Int Women | 2021/12/02 17:00 | Rachael Darragh v Katerina Tomalova | L | 2-1 |
| Hylo Open - Damer | 2021/11/02 12:10 | Katerina Tomalova v Lianne Tan | L | 0-2 |
| Belgian Int. - Damer | 2021/10/28 10:15 | Katerina Tomalova v Wen Yu Zhang | L | 0-2 |
| Czech Open - Damer | 2021/10/22 09:00 | Katerina Tomalova v Ananya Praveen | L | 0-2 |
| Dutch Open - Damer | 2021/10/14 09:15 | Jordan Hart v Katerina Tomalova | L | 2-0 |
| Denmark Masters - Damer | 2021/08/06 10:20 | Rachael Darragh v Katerina Tomalova | L | 2-0 |
| Spain Int - Damer | 2021/06/17 12:20 | Nerea Ivorra Masia v Katerina Tomalova | L | 2-0 |
| Portugal Int. - Damer | 2022/03/12 16:15 | Mariya Mitsova v Sum Yee Yeung | L | 0-2 |
| Portugal Int. - Damer | 2022/03/11 16:00 | Mariya Mitsova v Kaloyana Nalbantova | W | 2-0 |
| European Championships - Damer | 2021/04/28 10:40 | Mariya Mitsova v Agnes Korosi | L | 0-2 |
| Orleans Masters - Damer | 2021/03/25 10:10 | Mariya Mitsova v Ira Sharma | L | 0-2 |
| Orleans Masters - Damer | 2021/03/24 11:00 | Laura Sarosi v Mariya Mitsova | W | 0-2 |
| All England Open - Damer | 2021/03/17 17:20 | Mariya Mitsova v Supanida Katethong | L | 0-2 |
| Austrian Open - Damer | 2020/02/21 16:40 | Mariya Mitsova v Yukino Nakai | L | 0-2 |
| Austrian Open - Damer | 2020/02/21 10:20 | Gadde Rutvika Shivani v Mariya Mitsova | W | 1-2 |