During the 1980s, Korak played seven seasons for Rad, helping them win promotion to the Yugoslav First League in 1987.
He subsequently spent some time abroad in Spain (Murcia) and Austria (Vorwärts Steyr).
[2] He finished his career playing for Mladost Umčari in the Serbian League Belgrade.
After hanging up his boots, Korak was manager of numerous clubs in his country and abroad, including Rad and Hajduk Kula.
[3] Between November 2010 and August 2011, Korak served as manager of Ghana Premier League club Asante Kotoko.