Arina Rusina/Nikita Shekhirev (Moscow, RUS) won 9-6 over Valeria Denisenko/Mikhail Vlasenko (Irkutsk, RUS) in the Bronze Medal game at the 2021 Russian Mixed Doubles B-Division Championship in Sochi, Russia. of the 2021 Russian Mixed Doubles B-Division Championship in Sochi, Russia; Arina Rusina/Nikita Shekhirev (Moscow, RUS) won 9-6 over Valeria Denisenko/Mikhail Vlasenko (Irkutsk, RUS) in the Bronze Medal game at the 2021 Russian Mixed Doubles B-Division Championship in Sochi, Russia. Rusina/Shekhirev lost 9-3 to Nina Polikarpova/Kamil Karimov (Irkutsk, RUS) in the semifinals to drop into the third place game. of the 2021 Russian Mixed Doubles B-Division Championship in Sochi, Russia; and won 7-6 over Kristina Dudko/Vladislav Velichko (Krasnoyarsk, RUS) in the quarterfinals. of the 2021 Russian Mixed Doubles B-Division Championship in Sochi, Russia;
 
Rusina/Shekhirev finished 3-2 in the 0-team qualifying round. . In their opening game, Rusina/Shekhirev defeated Anastasia Sushkova/Bodgan Shestopalov (Tatarstan, RUS) 6-4, then went on to lose 7-5 against Polikarpova/Karimov. Rusina/Shekhirev responded with a 10-1 win over Ekaterina Glebova/Artem Ruchkin (Sochi, RUS). Rusina/Shekhirev went on to lose 10-6 against Aleksandra Stoyarosova/Ivan Kazachkov (Novosibirsk, RUS). Rusina/Shekhirev responded with a 6-3 win over Olga Antonova/Sergey Varlamov (St. Petersburg, RUS) in their final qualifying round match.
 
Rusina/Shekhirev ranks th overall on the Year-to-Date rankings with points earned so far this season.