Roddick Ousts Federer in Miami

Roger Federer crashed out of the Miami Masters to Andy Roddick to bring the world number three's impressive run of form to a swift end.

American Roddick, ranked 34 in the world, upset 16-time major winner Federer 7-6 (7/4), 1-6, 6-4, snapping the Swiss star's win streak at 16 matches and moving into the fourth round.

But there were no such troubles for top seed and defending champion Novak Djokovic, who defeated No. 27 seed Viktor Troicki 6-3, 6-4 in an all-Serb clash.

It was only Roddick's third win over Federer in 24 career meetings. He plays 21st-seed Juan Monaco in the next round.

"It was kind of a game of chess," Roddick said. "I stayed back on the returns, which is something I have not done with him often early on. He might have been a little bit surprised by it."

Roddick hammered 12 aces and won 74 percent of his first-serve points to outlast Federer in an absorbing match that lasted just over two hours.

After losing the first-set tie-break, Federer broke Roddick three times to even the match at one-set all.

Roddick saved four break points to hold serve in his first service game of the final set.

"I had my chances," Federer said. "I could have been up a break early in the third, but he did well to fight off those break points. He served really well."

Federer's 16-match run included titles in Rotterdam, Dubai, and Indian Wells.

Djokovic, who won Miami titles in 2007 and 2011, saved seven of eight break points as he beat Troicki for the 11th consecutive time.

"Generally I feel that I have been playing well," Djokovic said. "I did have some ups and downs, especially in today's match, but I'm confident that I can raise the level of my performance in every match."

Djokovic finished with two aces, one double fault and won 73 percent of his first-serve points in the 85-minute match.

Djokovic next plays 17th seed Richard Gasquet of France.