Kristina Dudko/Vladislav Velichko (Krasnoyarsk, RUS) qualified for the 2021 Russian Mixed Doubles B-Division Championship playoffs, dropping their quarterfinals match 7-6 against Arina Rusina/Nikita Shekhirev (Moscow, RUS). of the 2021 Russian Mixed Doubles B-Division Championship in Sochi, Russia;
 
Dudko/Velichko finished 4-1 in the 0-team qualifying round. . In their opening game, Dudko/Velichko defeated Aleksandra Antonova/Vadim Shvedov (St. Petersburg, RUS) 8-2, then went on to lose 7-3 against Valeria Denisenko/Mikhail Vlasenko (Irkutsk, RUS). Dudko/Velichko responded with a 8-3 win over Anastasia Borisova/Alexey Kulchak (Moscow, RUS). Dudko/Velichko won 9-3 against Viktoria Desova/Kirill Palagney (Irkutsk, RUS), then won 8-5 against Sofia Yarutina/Alexey Demin (Yekaterinburg, RUS) in their final qualifying round match.
 
Dudko/Velichko ranks th overall on the Year-to-Date rankings with points earned so far this season.