Aris, PAOK and Panionios scored victories that boosted their positions in the league table on Sunday.
Aris and PAOK have joined Kolossos and Kavala in being one point behind third-placed Maroussi.
PAOK downed cross-town rivals Iraklis 86-67 at Ivanofio, with the hosts being in serious relegation trouble now.
Aris defeated fellow Eurocup challengers Panellinios 73-63 at home despite falling behind their visitors at the start of the game (20-15).
Panionios and Ikaros Kallitheas played out the tightest of games throughout the weekend.
The match went to overtime (81-81 after 40 minutes), with the Nea Smyrni club emerging victorious with a 96-84 score that put them level on points with their beaten rivals.
