 In January 2020, Opoku returned to Berekum Chelsea.Opoku's first call up for the Ghana national football team was for a friendly match against Argentina national football team, and Opoku earned his debut in the match on 1 October 2009.In November 2013, coach Maxwell Konadu, invited Opoku to be a part of the Ghana national football team squad for the 2013 WAFU Nations Cup.