Belgium overcame Slovenia and Latvia whipped Greece to reach the final of the U18 European Championship Women Division B in Skopje.
The triumphs also clinched promotion for the teams to Division A for next year's event.
Kim Mestdagh had 21 points for the Belgians in an 81-70 triumph, with Slovenia getting a game-high 30 from Nika Baric.
Belgium could have won more decisively but they finished 11 of 19 at the free throw line.
Sabine Niedola scored 18 points and pulled down 12 rebounds in Latvia's 68-46 rout over Greece.
Slovenia and Greece will meet in the battle for third place.