Lyadin was the first foreign professional football manager to coach a club in the Iranian Football League (Azadegan League) after the Iranian Revolution.
Zob Ahan a club based in Isfahan, Iran, he invited his fellow countryman Sergey Ponomarev to come and play for his team.
Lyadin was the coach of Soviet youth national teams in 1965–1972 and 1979–1982.
His teams won the UEFA European Under-19 Football Championship in 1966 and 1967.
This biographical article related to a Russian association football midfielder born in the 1920s is a stub.