The outburst staked the Capitals to a 5-0 lead after the first stanza, and Washington failed to score the rest of the way, but held on to end a two-game skid. Both losses came in overtime against Minnesota and Atlanta.
Jozef Stumpel and Nathan Horton each scored power play goals, Mike Van Ryn had two assists, goalie Alex Auld gave up four goals on 12 shots and his replacement, Ed Belfour, allowed a goal on 14 shots for the Panthers (3-3-1).
Florida lost its second straight game.
On the power play, Florida was 2-for-4 and the Capitals were 0-for-5.