Top seeds Djokovic, Azarenka advance, Federer falls

MIAMI: Top seeds and defending champions Novak Djokovic and Victoria Azarenka advanced Monday while third seed Roger Federer crashed out of the ATP/WTA Miami Masters tournament.

Djokovic defeated No. 27 seed Viktor Troicki 6-3, 6-4 in an all-Serb third round matchup on Monday.

American Andy Roddick upset 16-time major winner Federer 7-6 (7/4), 1-6, 6-4, snapping the Swiss star's win streak at 16 matches.Tennis Results Today

The world number one Djokovic, who won Miami titles in 2007 and 2011, saved seven of eight break point opportunities as he beat Troicki for the 11th consecutive time.

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.

Azarenka survived a scare from 16th seeded Dominika Cibulkova, gutting out a 1-6, 7-6 (9/7), 7-5 victory in the fourth round Monday.

Cibulkova made Azarenka, of Belarus, work to protect her season long match win streak which now stands at 26.

World No. 1 Azarenka struggled in the first set then needed a tiebreaker in the second to get back into the marathon two hour, 47 minute match. She finished with two aces and seven double faults, compared to Cibulkova's 10 double faults.

Azarenka advances to face France's Marion Bartoli, who easily defeated Maria Kirilenko 6-1, 6-2 earlier in the day.

Roddick beat Federer for just the third time in 24 career meetings.

Roddick hammered 12 aces and won 74 percent of his first-serve points to outlast Federer in the two hour, one minute third round match.

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.

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

World No. 2 Maria Sharapova defeated fellow Russian Ekaterina Makarova 6-4, 7-6 (7/3) to set up a quarter-final clash with China's Li Na.

Sharapova, the 2011 Miami runner-up, is chasing her first title at the event after finishing second three times. She lost in the final last year to Azarenka.

Sharapova saved break point 11 of 15 times and converted on five of eight of her break point opportunities to advance into a matchup against Li, who rallied to beat Sabine Lisicki 3-6, 6-4, 6-2.

American 10th seed Serena Williams defeated Australian sixth seed Samantha Stosur 7-5, 6-3 in a rematch of the 2011 US Open final.