Nkeiruka Ezekh/Alexey Stukalskiy (Moscow, RUS) won 9-2 over Anastasia Babarykina/Konstantin Manasevich (Saint-Petersburg, RUS) in the Final of the Russian Mixed Doubles Cup, held August 27 - 30, 2021 in Irkutsk, Russia. To advance to the championship game, Ezekh/Stukalskiy won 6-3 over Anastasia Mishchenko/Alexey Tuzov (Dmitrov, RUS) in the semifinals of the 2021 Russian Mixed Doubles Cup in Irkutsk, Russia; and won 8-4 over Julia Kuznetsova/Vladislav Velichko (Krasnoyarsk, RUS) in the quarterfinals. of the 2021 Russian Mixed Doubles Cup in Irkutsk, Russia;
 
Ezekh/Stukalskiy finished 4-0 in the 20-team qualifying round. . In their opening game, Ezekh/Stukalskiy defeated Anastasia Krivosheeva/Valentin Andreev (Krasnoyarsk, RUS) 8-5, then won 15-1 against Maria Beliaeva/Aleksandr Utkin (Yaroslavl, RUS) and 12-2 against Anna Glazyrina/Evgeny Supletsov (Novosibirsk, RUS). Ezekh/Stukalskiy won 10-5 against Babarykina/Manasevich in their final qualifying round match.
 
Ezekh/Stukalskiy ranks 340th overall on the Year-to-Date rankings with 0.000 points earned so far this season.