Johnny Gaudreau scored the only goal of the first period of the World Junior Championship quarterfinals to give the United States a 1-0 lead.
Gaudreau scored on an easy tap-in on a 5-on-3 penalty at the 11:45 mark of the first. The Czechs had taken back-to-back hooking penalties to go down by two skaters. Gaudream made them pay with his third goal in two games and the Americans' fifth power-play goal in the past four periods. The United States had four man-advantage goals in a 9-3 win against Slovakia on Monday.
The winner of this game plays Group B champion Canada in the semifinal on Thursday.
I think everyone left it out there. Every game this season, regular season and playoffs, we played as hard as we could. We're not out of the playoffs right now because of lack of effort, and that's all that we can ask of each other.
— Predators defenseman Seth Jones after Nashville was eliminated by Chicago in Game 6 on Saturday