Matt Beleskey breaks a tie on power play in third, Ducks beat Flames 4-2 in Game 4

Anaheim Ducks' Nate Thompson, left, looks on as Calgary Flames goalie Karri Ramo, from Finland, stops a shot during the second period of Game 4 of NHL hockey second-round playoff action in Calgary, Alberta, Friday, May 8, 2015. (Jeff McIntosh/The Canadian Press via AP) MANDATORY CREDIT (The Associated Press)

Anaheim Ducks' Simon Despres, right, and Calgary Flames' Joe Colborne scuffle during the second period of Game 4 of NHL hockey second-round playoff action in Calgary, Alberta, Friday, May 8, 2015. (Jeff McIntosh/The Canadian Press via AP) MANDATORY CREDIT (The Associated Press)

CALGARY, Alberta – Matt Beleskey broke a tie on a power play early in the third period and the Anaheim Ducks beat the Calgary Flames 4-2 on Friday night in Game 4 of the Western Conference semifinal.

Anaheim leads the series 3-1. Game 5 is Sunday night in Anaheim.

Jakob Silfverberg, Andrew Cogliano and Patrick Maroon also scored for the Ducks, and Frederik Andersen made 25 saves. Sean Monahan and Micheal Ferland scored for Calgary, and Karri Ramo stopped 25 shots.

Anaheim was 2 for 4 on the power play. Calgary failed to score on a two-man advantage for 56 seconds in the third, finishing 0 for 2.