Holders Finland bounced back from their opening day defeat to Sweden by thrashing Slovakia at the International Ice Hockey Federation World Junior Championship in the Czech Republic.
Finland rediscovered their form in style as they recorded a thumping 8-1 victory in the Group A encounter at the Werk Arena in Třinec.
Aku Raty starred with two goals, while his brother Aatu, Joonas Oden, Patrik Puistola, Mikko Kokkonen, Eemil Erholtz and Ville Petman also got on the scoresheet in a superb all-round display from the defending champions.
"I think we played much better than a couple of days ago," said Finland's Kristian Tanus.
"We worked harder and we didn't make as many mistakes as we did against Sweden.
"When we had a scoring chance, we scored.
"That was good."
In Group B, Germany stunned hosts the Czech Republic 4-3.
Germany went into a 4-1 lead and held off a late fightback from the Czech Republic, who scored twice in the final period.