"We weren't a threat," Stars coach Jim Montgomery said. "Didn't win faceoffs. Didn't win any battles. Didn't win any loose puck battles. The puck was never inside the dots, so if you never threaten inside the dots, you're not going to have success.
"It all starts with the compete. We just didn't compete hard enough."
Another slow start and early penalty trouble cost the Stars in the first period as Washington's Tom Wilson capitalized on Joel Hanley's double-minor for high-sticking, putting a shot past Anton Khudobin to give the Capitals a lead three minutes in.
Dallas asked for a review of the goal, arguing the Capitals had committed a hand pass to set up Wilson's shot. But the call was upheld and the Stars were issued a delay-of-game penalty as a result of losing the challenge.
"With six minutes of power play or penalty kill to start the game, no one's going to be feeling good," Stars center Tyler Seguin said. "And we've got to find a better way to get better starts right now."
It didn't get much better in the second. Dallas squandered four opportunities on the man-advantage in the period and wound up falling behind even further.