David Backes scored a goal and provided an assist as USA defeated the Czech Republic 5-2. Kevin Shattenkirk also had an assist for the United States. Alexander Steen scored a goal for Sweden in its 5-0 victory over Slovakia. Jay Bouwmeester and Alex Pietrangelo combined for four shots in Canada's 2-1 victory over Latvia. USA will face Canada tomorrow and Sweden will battle Finland in semifinal matches.