Nick Kyrgios fires Australia into semi-finals of Davis Cup

Australia advanced to the semi-finals of the Davis Cup after Nick Kyrgios rallied to beat Sam Querrey in straight sets and secure victory over the United States.

Kyrgios fell into an early 1-4 hole in the first set, but was dominant thereafter on his way to a 7-6 (7/4) 6-3 6-4 victory which put Australia 3-1 up in the tie.