Pheonix Copley made 24 saves in his fourth consecutive start to help the Los Angeles Kings earn a 4-1 win against the visiting Anaheim Ducks on Tuesday night.Drew Doughty, Alex Iafallo, Viktor Arvidsson and Kevin Fiala scored for the Kings, who won their third game in a row. Adrian Kempe added two assists.Frank Vatrano scored and Lukas Dostal made 37 saves for the Ducks, who were unsuccessful in their bid to win three in a row for the first time this season.After a scoreless first period, Doughty scored on a power play to give Los Angeles a 1-0 lead at 6:46 of the second. Anze Kopitar spotted Doughty wide open in the high slot and fed him a pass for the one-timer with nine seconds left on the power play.The Ducks capitalized on their third power play after Matt Roy was called for roughing Vatrano.Anaheim defenseman Kevin Shattenkirk took a wrist shot from the right circle. Copley made the save, but the rebound came in front of the crease, and Vatrano shot the puck into the net for his second goal in three games.The Kings moved back ahead before the end of the period on a goal by Iafallo.Trevor Moore won the puck behind the Anaheim net and passed to Phillip Danault, who brought the puck out by the side of the net. He then centered a pass to Iafallo at the opposite post, and Iafallo scored his third goal of the season with 21 seconds left in the period.