PAOK won away from home at Agrinio and moved to the top of the Greek Superleague as Olympiacos dropped two valuable points at Tripoli.
AEK remained in third place after winning 2-0 against Lamia on Saturday.
PAOK made it seven wins in a row on Sunday after escaping from Agrinio with a narrow 1-0 win over Panaitolikos. The Thessaloniki side managed to take all three points thanks to a late penalty which was converted by Aleksandar Prijovic.
Olympiacos failed to maintain their lead in the title race by conceding two precious points at Asteras Tripolis.
Walter Matias Iglesias opened the score for the home side, but Iranian striker Karim Ansarifard equalized with a penalty just before half-time.
AEK maintained kept their hopes for the title alive by beating Lamia 2-0 on Saturday thanks to goals from Lazaros Christodoulopoulos and Marko Livaja.
The results and table courtesy of Live score