Katarzyna Staszczak/Aleksander Grzelka (Krakow, POL) qualified for the 2020 Slovakia Mixed Doubles Curling Cup playoffs, dropping their quarterfinals match 7-6 against Poland's Marta Szeliga-Frynia/Pawel Frynia. of the 2020 Slovakia Mixed Doubles Curling Cup in Bratislava, Slovakia;
 
Staszczak/Grzelka finished 3-2 in the 24-team qualifying round. . In their opening game, Staszczak/Grzelka defeated Emma Valachova/ Kolman (Bratislava, SVK) 7-4, then won 6-5 against Claudia Baumgartner/ Manon (Megeve, FRA) and 8-7 against Zuzanna Rybicka/Bartosz Dzikowski (Lodz, POL). Staszczak/Grzelka went on to lose 10-3 against Hungary's Ildiko Szekeres/Gyorgy Nagy. Staszczak/Grzelka lost 6-4 to Slovakia's Daniela Matulova/Milan Morvcik in their final qualifying round match.
 
. For week 33 of the event schedule, Staszczak/Grzelka did not improve upon their best events, remaining at 668th place on the World Ranking Standings with 13.428 total points. Staszczak/Grzelka ranks 157th overall on the Year-to-Date rankings with 13.428 points earned so far this season.