Greece defeated Slovenia 51-31 to clinch first place in Group E and set up a semi-final against Romania at the U16 European Championship Division B Women in Bulgaria.
Zafeira Giampani had 10 points and three steals for the Greeks, who improved to 3-0 in Group E while the Slovenians fell to 2-1.
Slovenia, Greece, Romania and the Netherlands all won on Thursday - the first day of the Qualifying Round for first to eighth place at the U16 European Championship Division B.
Greece prevailed over hosts Bulgaria 55-46 and Slovenia clinched a 68-59 victory over Denmark.
Greece defeated Denmark 55-50 at the U16 European Championship for Women Division B in Bulgaria to claim first place in Group A.
Artemis Spanou scored 22 points and grabbed 11 rebounds for the Greeks, who now go into Group E of the Qualifying Round for places one through eight with a 1-0 record.
An impressive double-double in points and rebounds from Anne Pedersen helped Denmark defeat Israel to take top spot in Group A at the U16 European Championship Division B in Bulgaria.
Pedersen had 15 points and 14 rebounds as the Danes won 51-50 for their third straight success.