Ryan Nugent-Hopkins and Ryan Strome scored in the first period for Canada to beat the United States 2-1 and advance to the next round at the junior ice hockey world championships.
The victory gave Canada provisional top spot of Group B, one point ahead of Russia. The top team in each group gets a bye into the quarterfinals.
Jacob Trouba scored for the U.S. in the 51st minute.
In Group A, Finland beat Switzerland 5-4 from a shootout goal by Markus Granlund, who also scored twice in regulation time.
Later Sunday, Latvia plays the Czech Republic and Slovakia faces Germany.