Novak Djokovic wasn't optimistic about his right ankle injury after lifting Serbia to an insurmountable 3-1 lead over the U.S. with a 7-5, 6-7 (4), 6-1, 6-0 win over Sam Querrey in a Davis Cup quarterfinal.
The United States trails Serbia 2-1 in a Davis Cup quarterfinal after the top-ranked doubles team of Bob and Mike Bryan lost to Serbia's Nenad Zimonjic and Ilija Bozoljac 7-6 (5), 7-6 (1), 5-7, 4-6, 15-13 on Saturday.
U.S. Davis Cup captain Jim Courier plans to face No. 1 Novak Djokovic and Serbia in the quarterfinals with the same group -- Sam Querrey, John Isner, twins Bob and Mike Bryan -- that beat Brazil in the first round.
Still struggling with jet lag and time zone changes, top-ranked Novak Djokovic of Serbia beat Mardy Fish in an exhibition match at the inaugural Los Angeles Tennis Challenge on Monday night in the American's return to the court after a six-month absence c