| Portugal Int. Women | 2022/03/11 16:00 | Mariya Mitsova v Kaloyana Nalbantova | W | 2-0 |
| European Championships Women | 2021/04/28 10:40 | Mariya Mitsova v Agnes Korosi | L | 0-2 |
| Orleans Masters Women | 2021/03/25 10:10 | Mariya Mitsova v Ira Sharma | L | 0-2 |
| Orleans Masters Women | 2021/03/24 11:00 | Laura Sarosi v Mariya Mitsova | W | 0-2 |
| All England Open Women | 2021/03/17 17:20 | Mariya Mitsova v Supanida Katethong | L | 0-2 |
| Austrian Open Women | 2020/02/21 16:40 | Mariya Mitsova v Yukino Nakai | L | 0-2 |
| Austrian Open Women | 2020/02/21 10:20 | Gadde Rutvika Shivani v Mariya Mitsova | W | 1-2 |
| Austrian Open Women | 2020/02/20 13:45 | Vivien Sandorhazi v Mariya Mitsova | W | 0-2 |
| Slovak Open Women | 2022/03/05 08:00 | Wen Chi Hsu v Sum Yee Yeung | L | 2-1 |
| Slovak Open Women | 2022/03/04 15:40 | Jaymie Laurens v Sum Yee Yeung | W | 0-2 |
| Hong Kong Open Women Qual | 2019/11/12 03:40 | Lauren Lam v Sum Yee Yeung | L | 2-0 |
| Macau Open Women Qual | 2019/10/29 02:10 | Ying Chun Lin v Sum Yee Yeung | L | 2-0 |
| Hyderabad Open Women Qual | 2019/08/06 11:40 | Shikha Gautam v Sum Yee Yeung | L | 2-1 |
| Hyderabad Open Women Qual | 2019/08/06 07:00 | Sum Yee Yeung v Ashwathi Pillai | W | 2-0 |
| Asia Championships Women | 2019/04/24 08:00 | Sum Yee Yeung v Thuy Linh Nguyen | L | 0-2 |
| Giraldilla Int. XD | 2018/09/20 07:20 | Joy Xuan Deng v Sum Yee Yeung | L | 2-0 |