His first goal was in the 20th minute when he converted a spot kick to give Red Star a 2-0 lead after Aleksandar Pesic's opener on four minutes.
Striker Richmond Boakye-Yiadom announced his credentials as a clinical finisher by scoring FOUR goals in Red Star Belgrade's 6-1 over Rad Beograd in the Serbian top-flight on Saturday.
Six minutes later, the Ghana international connected home his second of the afternoon to make it three-nil.
Aleksandar Lutovac pulled one back for the visitors after 41 minutes but Pesic scored to restore Red Star's three-goal lead.
But Boakye popped up again with his hat-trick on 63 minutes and registered his fourth goal in the 84th minute.