Belgium went through as pool leaders in Group D despite losing 86-60 to Latvia on Sunday.
Laine Kurpniece was the star of the show for Latvia, recording game-highs in points (22) and rebounds (nine) to lead her side to a comprehensive victory.
It was the Romy Bär show for Germany as she had 27 points, 10 rebounds, five assists and four steals to lead her country past Latvia, 81-52.
Traviling 25-23 at half-time, the Germans erupted for 36 points over the next 10 minutes while allowing the Baltic nation to score just 14 to take control for good.
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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