The 33-year-old forward signed an 18-month contract after successfully passing a medical examination. Financial details of the deal have not been disclosed, Tehran Times reported.
Sergeev will reunite with his compatriot Oston Urunov at Persepolis as the club continues to strengthen its squad ahead of the new campaign.
Persepolis, led by Brazilian head coach Osmar Loss, are considered among the favorites to win the 2025/26 Iran Persian Gulf Pro League (PGPL).
MNA