Anna Sidorova/Alexey Timofeev (Moscow, RUS) won 7-5 over Dorottya Palancsa/Zsolt Kiss (Budapest, HUN) in the Final of the Pacific Cup Khabarovsk, held August 28 - September 1, 2021 in Khabarovsk, Russia. To advance to the championship game, Sidorova/Timofeev won 7-6 over Anna Samoilik/Mikhail Vaskov (Krasnoyarsk, RUS) in the semifinals
 
Sidorova/Timofeev finished 3-0 in the 8-team qualifying round. . In their opening game, Sidorova/Timofeev defeated Marta Szeliga-Frynia/Pawel Frynia (Lodz, POL) 7-4, then won 9-4 against Anastasia Moskaleva/Alexander Eremin (Moscow, RUS) and 17-0 against Angelina Ebauyer/Adil Zhumagozha (Almaty, KAZ) in their final qualifying round match.
 
Sidorova/Timofeev ranks 15th overall on the Year-to-Date rankings with 0.000 points earned so far this season.