Anastasia Mishchenko/Alexey Tuzov (Dmitrov, RUS) won 11-4 over Olga Antonova/Oleg Krasikov (Saint-Petersburg, RUS) in the Bronze Medal game at the 2021 Russian Mixed Doubles Cup in Irkutsk, Russia. of the 2021 Russian Mixed Doubles Cup in Irkutsk, Russia; Anastasia Mishchenko/Alexey Tuzov (Dmitrov, RUS) won 11-4 over Olga Antonova/Oleg Krasikov (Saint-Petersburg, RUS) in the Bronze Medal game at the 2021 Russian Mixed Doubles Cup in Irkutsk, Russia. Mishchenko/Tuzov lost 6-3 to Nkeiruka Ezekh/Alexey Stukalskiy (Moscow, RUS) in the semifinals to drop into the third place game. of the 2021 Russian Mixed Doubles Cup in Irkutsk, Russia; and won 7-1 over Ksenia Novikova/German Doronin (Dmitrov, RUS) in the quarterfinals.
 
Mishchenko/Tuzov finished 4-0 in the 20-team qualifying round. . In their opening game, Mishchenko/Tuzov defeated Arina Leontieva/Petr Triandafilidi (Vladivostock, RUS) 14-2, then won 9-4 against Anastasia Borisova/Roman Serebrennikov (Tomsk, RUS) and 12-1 against Ekaterina Telnova/Artem Puzanov (Moscow, RUS). Mishchenko/Tuzov won 11-8 against Antonova/Krasikov in their final qualifying round match.
 
Mishchenko/Tuzov ranks 17th overall on the Year-to-Date rankings with 0.000 points earned so far this season.