Even an ankle injury couldn't stop world No. 1 Novak Djokovic from dominating Sam Querrey 7-5, 6-7 (4), 6-1, 6-0 to give Serbia an insurmountable 3-1 lead in this Davis Cup quarterfinal at the Taco Bell Arena on Sunday.
At 1-1, 30-40 and a second breakpoint opportunity on Querrey's serve, the world No. 1 twisted his right ankle while playing a forehand and fell to the ground.
Wincing in pain, Djokovic had to be helped courtside. But after having the ankle taped and taking anti-inflammatories, he continued to play. He broke serve on his third breakpoint in that third game.
''I sincerely hope that I didn't make it worse and I'm going to have a few days off,'' Djokovic told the crowd after the match. ''I was able to play some good shots at the right time.
''If I wasn't playing for Serbia, if I didn't have my teammates' support, I don't know if I would've played. The first half hour it was very painful.''
Serbia advanced to a semifinal in September against the winner of the quarter...