Australia Davis Cup captain Lleyton Hewitt replaces Sam Groth as John Peers' partner for the doubles rubber against the United States' Bryan brothers.

Lleyton Hewitt and Jim Courier gave their thoughts on which team has the advantage going forward in the Australia v United States Davis Cup tie.

Highlights of the action featuring Bernard Tomic, Sam Groth, John Isner and Jack Sock on Day 1 of the Australia v United States Davis Cup World Group tie at Kooyong.

Bernard Tomic scored his first victory over Jack Sock in three attempts to level Australia's Davis Cup tie against the United States at one rubber apiece.

John Isner brushed aside Sam Groth on Friday to put the Americans 1-0 ahead in the Australia v United States Davis Cup tie at Kooyong.

Catch all the Davis Cup video highlights, interviews and behind-the-scenes action from the Australia v United States first-round tie at Kooyong.

Josh Eagle previews the singles matches featuring on Day 1 of the Australia v United States Davis Cup tie at Kooyong.

Check out the best images from the official draw ceremony of the Australia v United States Davis Cup World Group tie at Kooyong, Melbourne.

Sam Groth feels he's hitting the ball as well as ever as he prepares to take on towering American No. 1 John Isner in the opening Davis Cup singles rubber on Friday at…

Sam Groth and Bernard Tomic will feature in the singles rubbers for Australia on the opening day of Davis Cup play at Kooyong on Friday.