"I thought, early on, we weren't as sharp as we want to be, but we grinded it out," Panthers interim head coach Andrew Brunette said. "That's a really good building block for our group."
Finding the scoresheet in just his second game back from a long stint on the injured list, Aaron Ekblad opened the scoring for the Panthers when his shot from on top of the right circle clipped off a defender and fluttered right past Vitek Vanecek to make it 1-0 at 16:20 of the first period.
Doubling the lead less than two minutes later, Jonathan Huberdeau, likely earning a spot on SportsCenter's plays of the night, dangled around a defender before passing the puck through the slot to Aleksander Barkov, who then scored from on the doorstep to make it 2-0 at 17:58.
On the power play in the second period, Nicklas Backstrom got the Capitals on the board when he snuck a short-side shot past Sergei Bobrovsky from a sharp angle to make it 2-1 at 2:44. But just 27 seconds after that, Mason Marchment went five-hole on Vanecek to make it 3-1 at 3:11.
Later on, the Panthers killed off a double-minor penalty to tighten their grip on the game.
"We kind of found our rhythm, found our game, and especially after the big kill in the second we really settled our nerves a little bit and got to playing how we want to play," Brunette said of the huge momentum swing in Florida's favor. "I thought we did a lot of good things in that stretch."
Netting the first playoff goal of his career, 20-year-old rookie Anton Lundell increased the lead even further for the Panthers when he finished off a give-and-go sequence with Sam Reinhart by tapping the rubber past Vanecek from right outside the blue paint to make it 4-1 at 15:24.
Riding off that momentum, and with the crowd roaring in the arena, Carter Verhaeghe capped off the high-scoring middle frame for the Panthers when he rifled a blistering wrist shot over Vanecek's glove and into the top corner of the cage from the high slot to make it 5-1 at 17:32.
At the start of the third period, Ilya Samsonov took over for Vanecek in Washington's net.
"Bob kept us in the game in the first, and then we got a couple goals," Lundell said. "We heard the loud [FLA Live Arena] here with the Cats fans. That gave us a lot of confidence and energy to just keep going. It was a good team effort today."
Keeping their foot on the gas, the Panthers outshot the Capitals 17-3 in the third period. Bobrovsky finished with 26 saves, while Samsonov stopped all 17 shots he saw in relief.
With the series evened up at 1-1, the Panthers will now hit the road for Games 3 and 4 against the Capitals at Capital One Arena in Washington, D.C. on Saturday and Monday, respectively.
"I think the third period was good for us," Barkov said of the strong finish. "We tried to keep the momentum. We played in their zone almost the whole period. … We didn't score goals, but we got a lot of shots and kept the momentum. We're happy with that, but Saturday's a new game."
Here are five takeaways from Thursday's win in Sunrise…