A 36-16 run in the first quarter was enough for Panathinaikos to dominate AEK Athens (111-79) and maintain its perfect record (9-0).
The hosts were unstoppable and ended the first half in front by 30 (73-43) to never look back and claim an easy victory.
Stephane Lasme led the winners with 16 points and six rebounds, with Thanasis Antetokounmpo, Lukas Lekavicius and Dinos Mitoglou adding 14 points apiece.
On the other hand, Vince Hunter (12 points, five rebounds, four assists), Xavier Rathan-Mayes (12 points) and Jonas Maciulis (11 points) were the best players of the losing squad.
Panathinaikos improved to 9-0, whereas AEK Athens dropped to 7-3.