Hungary, relegated last year from the U18 European Championship Women Division A, started their road back to the elite with an easy 82-35 win against Switzerland.
Amadea Szamoszi had 25 points and 10 rebounds and shot 73.3 percent from inside to lead the Hungarian team to victory alongside Judit Barnai, who also posted a double-double, 13 points and 15 rebounds.
Hungary solved the game before half-time, when they were leading 50-12, and got the victory without too much effort in the second period.
Alix Rieder was the main scorer for the losing side, with six points. In the other game of Group B, Croatia never trailed against Portugal and won, 78-54.
Ivana Tikvic scored 19 points for the Croatian team and Mafalda Barros responded with 11 in a losing effort.
The other team relegated after last year's edition, Latvia, had a poor start in the competition, losing by two points, 68-70, at the hands of Greece, after a thrilling game decided in overtime.
Guna Lagzdina had the chance to close the game just in the regulation, but missed one free throw with 12 seconds to go, when the game was tied at 59.
Latvia had the lead a couple of times in the overtime, and made it a two possession game with 3:46 to go, 63-59, but Greece came back and Anthoula Chatzigiakoumi sealed the game with two free throws in the closing seconds.
She carried the Greek team with 23 points, 9 rebounds and 4 steals. On the other side Ance Aizsila had 15 points and Lagzdina added 12 rebounds.
On the other game of the group, Norway beat Austria 59-50. Stine Austgulen had 23 points, 9 rebounds and 3 steals for the winners and Barbara Keck contributed with 11 points and 7 rebounds for the opponents.
In group A, Germany beat England 65-45, behind a strong performance by Laura Hebecker, who finished with 18 points, 6 rebounds and 2 steals.
Despite posting a double-double, with 14 points and 12 rebounds, Christina Gaskin couldn't help her team more in a poor performance from the English side.
The other game of the group was quite similar, with Belarus cruising against Bulgaria, 57-39.
Maryna Ivaschanka finished with a double-double, 14 points and 11 rebounds for the winners and Radostina Dimitrova was the main scorer for the Bulgarians with 10 points.
Annika Holopainen had 24 points, 11 rebounds and 2 assists for Finland in a 89-63 victory against Luxembourg, in Group C.
In the other game of the group, Israel used a 11-0 run in the fourth quarter against Denmark, with Mariam Hannoun and Nof Kedem taking control of the game, to win in the end with 77-71.