The Montenegrin national team won the first match in Athens 67:65.
Both teams have achieved two victories and one defeat in the qualifying round so far.
They also defeated Romania 91:64, and their only defeat came at the start against Portugal 83:62.
Greece started the new qualifying cycle with two triumphs.
They defeated Portugal 76:68 away, while they celebrated against Romania 91:64 in front of their fans.
The duel in the M:tel Hall Morača will start at 7 pm.