Germany clinched their place in the next group phase with a 62-53-triumph over Italy.
The triumph was their second in Group D following a big win over Latvia on Saturday.
Belgium defeated Italy 75-64 for their second triumph to clinch a place in the second group phase.
Fresh off their 62-45 Group D thumping of Germany, Diels Arvid's team ran onto the court and threatened to deliver a first-quarter knockout against the Italians.
Italy profited from a stirring second half comeback as they opened their OSTCHEM U20 European Championship Women Group D campaign with a 63-59 defeat of Latvia on Friday.
The Azzurri trailed 39-25 at the interval but hit back in dramatic fashion to stun the Latvians.
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