|Chelsea's Pedro celebrates scoring their third goal with team mates|
Chelsea needed a good start and they took the lead in the 23rd minute.
A poor clearance from Huddersfield keeper Jonas Lossl put the home defence under pressure, before Eden Hazard flicked the ball to Willian who found Tiemoue Bakayoko to finish.
Chelsea doubled their lead two minutes before the break when Marcos Alonso’s fine cross from the left flank was headed in by Willian at the back post.
Promoted Huddersfield’s hopes of a second-half fightback were ended just five minutes after the restart when Willian held off his marker to lay-off an Alonso cross to Pedro, who superbly curled home a side-foot shot into the far corner.
Huddersfield substitute Laurent Depoitre scored an injury time consolation with a fine glancing header.