| Poland Ekstaklasa Women | 2020/01/10 17:55 | Anna Monika Zelinska v Paulina Krzysiek | L | 0-3 |
| Poland Ekstaklasa Women | 2020/01/08 16:16 | Natalia Bajor v Anna Monika Zelinska | L | 3-0 |
| Poland Ekstaklasa Women | 2020/01/10 17:17 | Luqi Liu v Slifirczyk, Katarzyna | L | 3-2 |
| Poland Ekstaklasa Women | 2020/01/05 17:02 | Xuan Goi Rui v Slifirczyk, Katarzyna | L | 3-0 |
| Polish Grand Prix Women | 2019/11/23 15:37 | Slifirczyk, Katarzyna v Angelika Janik | W | 3-1 |
| Poland Ekstaklasa Women | 2019/10/23 15:06 | Slifirczyk, Katarzyna v Ma, W. | L | 0-3 |
| Poland Ekstaklasa Women | 2019/09/27 14:32 | Slifirczyk, Katarzyna v Luki Liu | L | 1-3 |
| Poland Ekstaklasa Women | 2019/09/13 14:23 | Slifirczyk, Katarzyna v Dominika Wolowiec | L | 2-3 |
| Paraguay Open U21 Women | 2019/07/18 08:30 | Mathieu, Malaurie v Slifirczyk, Katarzyna | W | 2-3 |
| République tchèque - Extraleague | 2019/04/03 16:40 | Slifirczyk, Katarzyna v Stefanska, Kinga | L | 1-3 |