The Czech Republic advanced with an unblemished record after they sealed an 86-62 victory over previously unbeaten Belarus.
Dominika Behalová led the way with 16 points and six rebounds for the Czech Republic.
The Czechs top the group while Belarus advance as the second-best team.
In the group's other game on Sunday, Turkey edged Belgium 61-58 in a battle of winless sides.
Yasemen Saylar had 13 points for Turkey, and Tugce Canitez and Yelda Kavazoglu each contributed 12 points.