Tellqvist stopped all nine shots he faced in the third period, while Keith Ballard and Shane Doan also scored for the Coyotes, who have won four of their last five games.

Brian Pothier and Brian Sutherby each scored and Olaf Kolzig made 24 saves for the Capitals, who have lost five straight.

The Coyotes got all three of their goals in the first period to take a 3-1 lead.