Panathinaikos are four points behind Super League leaders Olympiacos after a 1-0 win at Giannina.
Silva Cleyton scored the only goal of the game five minutes from time, putting Pana onto 36 points. They have two games in hand on their fierce rivals.
PAOK Salonika are fourth having beaten Ergotelis 2-1. Vassilis Koutsianikoulis had given Ergotelis the lead, but second-half goals from Dimitris Salpingidis and Dorvalino Lino turned things around.
Goals were few and far between elsewhere, as Atromitos and Aris Salonika drew 0-0, with Kerkyra and Asteras Tripoli ending the same. Njazi Kuqi's second-half goal earned Panionios a 1-0 win over Panetolikos.
