On 25 October 2020, Sayyadmanesh scored on his league debut for Zorya in a 4–0 win against Rukh Lviv. On 3 December 2020, he scored the winning goal in a 1–0 win against English Premier League club Leicester City in the group stage of the Europa League. Sayyadmanesh was selected to be among the UPL’s best eleven players of the 2020–21 season.