Eklund won it with a one-timer from the right circle off a pass from Mikael Granlund with Capitals forward Tom Wilson in the penalty box for a high-sticking double minor at 17:43 of the third period.
William Eklund scored 39 seconds into overtime, Mackenzie Blackwood made 27 saves and the San Jose Sharks ended the Washington Capitals' winning streak at four by beating them 2-1 on Tuesday night.