Belgium bounced back from Wednesday's defeat to Spain by edging Greece, 57-53.
Sara Leemans led the Belgians in scoring with 12 points but it was an all-round team-effort, with Marjorie Carpreaux and Virginie Michiels adding 11 points apiece.
Viktoryia Hasper poured in 24 points to guide Belarus to an 71-56 victory over Greece on Wednesday at the U20 European Championship for Women.
Hasper, who scored 16 of her game-high 24 in the first quarter, had great support from team-mate Tatsiana Likhtarovich who added 16.
Unbeaten Serbia showed no signs of slowing down as they claimed a 78-47 triumph over Greece in Tuesday's qualifying round at the U20 European Championship for Women.
The win marked their fourth consecutive lopsided, double-digit victory.
Unbeaten Spain progressed to the qualifying round of the U20 European Championship for Women as Group A winners after beating Greece 67-47 on Sunday.
For the third straight game, Maria Pina led Spain in scoring with 18 points while Laura Gimeno added 18.
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