EDMONTON, Alberta — Trevor Zegras had two goals and three assists, and the United States beat the Czech Republic 7-0 on Tuesday to clinch a spot in the quarterfinals of the world junior hockey championship.

Bobby Brink had two goals for the U.S., and Spencer Knight made 22 saves. The Americans improved to 2-1 in Group B and close out preliminary round play Thursday night against Sweden.

The United States grabbed control with three goals in the second period.