Maxime Comtois scored four goals and Morgan Frost registered a hat trick as Canada blanked Denmark 14-0 at the world junior hockey championship on Wednesday night.
The decisive win marked the first game of the tournament for Canada, which took gold last year.
Owen Tippett and Brett Leason each scored twice in the victory.
Tecumseh native Jack Studnicka, Jaret Anderson-Dolan and MacKenzie Entwistle also scored, while Cody Glass tallied four assists.
Amherstburg's Michael DiPietro made 14 saves to earn the shutout for Canada.
DiPietro is expected to get Thursday off when Canada faces Switzerland in Vancouver.
Ian Scott of the Western Hockey League's Prince Albert Raiders will start in net.
Other opening day games included the U.S.A. trimming Slovakia 2-1.