Pittsburgh was shut out 1-0 on Wednesday, stoned by Tomas Vokoun who stopped all 30 shots fired his way.
The Capitals were a -133 favorite in the win. The combined score dipped UNDER the total, which closed at 5.5.
Washington got a goal from Jason Chimera in the victory. Chimera opened the scoring at 15:25 of the first period.
Tomas Vokoun turned in a 30-save effort for the Capitals.
Marc-Andre Fleury stopped 20 of 21 shots for the Penguins, but it wasn't enough to earn the victory.
Washington scored 0 times on 2 chances on the power play, while Pittsburgh went 0-for-0 with the man advantage.
Washington lost the shots on goal battle to Pittsburgh by a margin of 30-21.
Next game, Washington takes its act home to face Tampa Bay looking for another win. For Pittsburgh, they head on the road to face Florida.