BRISBANE, Australia (AP) — Late substitute Jack Sock and partner Steve Johnson kept the United States alive in its Davis Cup quarterfinal with Australia, beating Sam Groth and John Peers 3-6, 6-3, 6-2, 2-6, 6-3 in Saturday’s doubles.
The win on a hard court at Brisbane’s Pat Rafter Arena reduced Australia’s advantage to 2-1 ahead of Sunday’s reverse singles.
U.S. captain Jim Courier replaced scheduled doubles player Sam Querrey with Sock about an hour ahead of Saturday’s match, despite Sock having lost his singles match to Jordan Thompson on Friday.
After losing the opening set Saturday, the American pair steadily gained confidence throughout the match, defending strongly and forcing Australia to stay in long rallies.
In the fifth set, the Americans broke Peers’ serve to love and outplayed the Australians to…