Romania dealt Hungary their first defeat at the U20 European Championship for Women Division B on Wednesday.
The Romanians stormed out to an 18-5 first-quarter advantage and eventually won 41-35.
No team has beaten Hungary or Sweden at the U20 European Championship for Women Division B in Poland.
Finda Mansaré had another virtuoso display for the Hungarians as they wiped the floor with Great Britain in the fourth quarter en route to a 59-35 Group A victory.
Sweden provided further evidence that basketball is on the rise in the Scandinavian country by upsetting hosts Poland 69-66 in overtime at the U20 European Championship Women, Division B in Poland.
Elin Eldebrink poured in a game-high 25 points for the Swedes, who blew a 36-25 half-time lead but won in the extra period to claim their second victory.
Hosts Poland and the Slovak Republic improved their marks to a perfect 2-0 with blowout victories to lead their respective groups after the second day of action at the U20 European Championship for Women Division B in Poznan.
Marta Jujka collected 12 points and 12 rebounds and Mirela Pultorak led all scorers with 14 points in Poland's 89-38 demolition of Portugal in Group B.