Kings started goaltender Jonathan Quick stopped 23 shots. The Capitals goaltender Jaroslav Halak stopped 32 shots.
The Kings dominated in shots, 36 vs. 27, the kings took advantage of one of three power plays, the Capitals two of four, both teams had 36 hits, and the Kings won 34 vs. 29 face-offs.
The first period started with two power play goals from Capitals captain Alex Ovechkin.
At the start of the second, Mike Richards put the Kings on the board with a power play goal, assisted by Alec Martinez and Jake Muzzin. Dustin Penner scored the third goal for the Capitals to end the second period.
The Capitals lost Nicklas Backstrom early in the second period after a heavy check from Kings defenseman Drew Doughty near the Washington bench at 5:03 and did not return to the game due to a upper-body injury.
The third period had three goals for the Kings. The first was from Dwight King, assisted by Dustin Brown and Willie Mitchell. The second goal came from Marian Gaborik assisted by Tyler Toffoli and Muzzin. The third and final goal came from the captain assisted by King and Jarret Stoll.
With 40 seconds left in the game and the Kings on the power play, Evgeny Kuznetsov got his first career NHL goal, a short-handed goal to send the game into overtime.
Capitals Jack Hillen wand Ovechkin collided early in the overtime at center ice. Both were shaken up, but Hillen headed for the dressing room and did not return.
Both shooters for the Capitals did not score. Both shooters for the Kings did, first Anze Kopitar then Carter for the game winner.
The Kings play their final game on the road trip against the Pittsburgh Penguins, Thursday, 4:00 p.m. at Consol Energy Center on FS-W.Tags: Hockey, Los Angeles, Los Angeles Kings, NHL, Washington Capitals