Career
He emigrated to the United States in the late 1980s and opened a private sportschool in Los Angeles in 2008 called Ishtoyan Soccer Academy. Ishtoyan made his debut for Union of the Soviet Socialist Republics on 18 September 1971 in a friendly against India. He played in Union of European Football Associations Euro 1972 qualifiers, but was not selected for the final tournament squad.
He also played in a 1974 qualifier against France.