Washington 1, Detroit 0 (13:35, 2nd period)
After a scoreless first period, the Capitals broke the deadlock when John Carlson, assisted by Lucas Johansem fired a wrister past Brattstrom.
Washington 2, Detroit 0 (18:54, 3rd period)
With less than two minutes remaining, Lars Eller capped the scoring and put the game away with an empty-netter.