The Latest: Suarez Navarro advances to quarterfinals
Maria Sharapova of Russia celebrates after defeating Belinda Bencic of Switzerland in their fourth round match at the Australian Open tennis championships in Melbourne, Australia, Sunday, Jan. 24, 2016.(AP Photo/Aaron Favila)
MELBOURNE, Australia (AP) The latest from the Australian Open on Sunday (all times local):
Tenth-seeded Carla Suarez Navarro overcame a seriously slow start to rebound for a 0-6, 6-3, 6-2 win over Russian-born Australian Daria Gavrilova and reach the quarterfinals.
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Buoyed by a partisan capacity crowd of 15,000 at Rod Laver Arena, Gavrilova won the first set in 25 minutes.
But the Spanish player, using a vast array of shots, dominated the last two sets with five service breaks and dropping just one service game.
Suarez Navarro will play No. 4-seeded Agnieszka Radwanska in the quarterfinals.
Fourth-seeded Agnieszka Radwanksa has advanced to the quarterfinals at Melbourne Park with a 6-7 (6), 6-1, 7-5 win over Anna-Lena Friedsam, who suffered from severe cramping and was in tears for the last two games.
Friedsam was given a time warning and then a point penalty in her last service game, conceding the game to Radwanska and a 6-5 lead. Radwanska then held serve to clinch the match despite trailing 5-2 in the final set.
It's the fifth time in six years that Radwanska has advanced to the quarterfinals here as she chases her first Grand Slam victory.
Radwanska will play the winner of Sunday night's match between Russian-born Australian Daria Gavrilova and Carla Suarez Navarro,
Tomas Berdych has outlasted Roberto Bautista Agut in five sets to reach the quarterfinals at Melbourne Park for the sixth consecutive year.
The sixth-seeded Berdych only converted four of 22 break-point opportunities against his Spanish opponent, finally prevailing 4-6, 6-4, 6-3, 1-6, 6-3 in three hours, 18 minutes.
Berdych reached the semifinals at the Australian Open last year before losing to Murray. His next opponent will be the winner of the match between Roger Federer and David Goffin being played later Sunday.
An error-riddled Novak Djokovic has advanced to the quarterfinals of a Grand Slam tournament for the 27th consecutive time, persevering over a dogged and determined Gilles Simon 6-3, 6-7 (1), 6-4, 4-6, 6-3 in a 4-hour, 32-minute match at Melbourne Park.
Djokovic advanced to the final eight and a match Tuesday against Kei Nishikori despite making a whopping 100 unforced errors, including four backhand drop shots into the net as he attempted, unsuccessfully, to get Simon to move up from his anchored position on the baseline.
The five-time champion Djokovic and the pesky Simon played plenty of long rallies – the longest of which was 37 strokes. Simon frustrated Djokovic with his defensive play, saving all 11 break-point opportunities in the second set before dominating the tiebreaker.
Overall, Simon saved 19 of 25 break points.
Nigel Sears, the coach of Ana Ivanovic and father-in-law of Andy Murray, is expected to be released from a Melbourne hospital later Sunday, a day after he collapsed in Rod Laver Arena during Ivanovic's third-round match.
The Australian Open released a statement from Sears in which he says he's been ''cleared to fly back home to the U.K. in the next day or so.''
Ivanovic's match against Madison Keys was halted for about an hour on Saturday night while medics attended to Sears in the stands. He was carried out of the arena on a stretcher and taken to a hospital.
Ivanovic had just won the first set when the match was stopped, but Keys came back to win in three sets.
Murray was playing at the same time at Margaret Court Arena, and after he finished his match, he rushed to the hospital to check on Sears, who is the father of his wife, Kim.
Murray's wife, Kim, is due to give birth to their first child next month.
Now, Lleyton Hewitt's career as a professional tennis player really has ended.
The 34-year-old Australian player had announced he would retire after this year's Australian Open. A center court ceremony was held for him Thursday night after he lost his second-round singles match to David Ferrer.
The next day he was back in action in doubles with countryman Sam Groth.
On Sunday, the Australian duo lost their third-round doubles match to Jack Sock and Vasek Pospisil, 6-4, 6-2. Hewitt walked off the court and into retirement to a standing ovation in the 7,500-seat Margaret Court Arena
The match was interrupted for 20 minutes during the second set due to a medical issue in the stands that required medics to enter the arena.
It was the third time this tournament that matches have been interrupted due to medical situations in the stands.
Nick Kyrgios won't be sanctioned by tournament officials for answering his phone on court before a mixed doubles match at the Australian Open because the call was taken before the pre-match meeting.
Kyrgios answered the mobile phone call, which he said was from a friend, before a match he and his girlfriend, Ajla Tomljanovic, lost in straight sets to the No.1-ranked team of Ivan Dodig and Sania Mirza on Saturday.
Under the ATP Tour policy ''a player is not allowed to use any electronic devices (e.g. C.D. players, mobile phones, etc.) during matches, unless approved by the supervisor.''
The Australian Open released a statement on Sunday saying, ''(the) referee reviewed the situation … as Nick walked on to the court before his match he answered a phone call then hung up. This happened prior to the pre-match meeting and no further action wil be taken. The incident has been closed.''
Six-time and defending champion Serena Williams is through to the quarterfinals at Melbourne Park after a 6-2, 6-1 win over Russian Margarita Gasparyan on Rod Laver Arena in 55 minutes.
Under bright sunshine after the roof was opened following morning rain, Williams lost her service in the opening game but quickly found her groove to set up a rematch of last year's final with Maria Sharapova, who defeated Belinda Bencic in the preceding match.
Williams has beaten Sharapova in 18 of 20 matches and hasn't lost to Sharapova since 2004.
Kei Nishikori is the first male player through to the quarterfinals at Melbourne Park, defeating Jo-Wilfried Tsonga 6-4, 6-2, 6-4 in front of a hugely partisan crowd filled with flag-waving Japanese fans.
The seventh-seeded Nishikori also reached the quarterfinals at the Australian Open last year and in 2012.
Nishikori has had trouble with Tsonga's power game in the past, losing most recently to the Frenchman in the quarterfinals of the French Open last year.
But Tsonga lost his serve five times in the match and only managed to break Nishikori once.
The match was played under the roof at Hisense Arena after early-morning rain that delayed the start of other matches on side courts.
Maria Sharapova is through to the quarterfinals of the Australian Open after a 7-5, 7-5 win over Belinda Bencic of Switzerland.
The fifth-seeded Sharapova needed 2 hours, 5 minutes to beat Bencic, breaking the Swiss player's serve for the fourth time in the last game – sealing it when she successfully challenged a call on the baseline on the opposite end of the court.
Sharapova, the 2008 champion and a three-time runner-up, needed four set points to clinch the opening set, including two in the 10th game.
Bencic again found herself on the wrong end of an opponent's ace count. Sharapova had 21, including four on her second serve. Last year, Bencic was on the receiving end of a WTA-record 27 aces from Sabine Lisicki.
Light rain is delaying the start of play on outdoor courts at Melbourne Park on Sunday, although matches on three covered stadiums have begun as scheduled.
First up on Rod Laver Arena is Maria Sharapova's fourth-round match against Belinda Bencic. That will be followed by defending champion Serena Williams' match against Russian Margarita Gasparyan.
Defending men's champion Novak Djokovic closes the afternoon program on the main court when he plays Gilles Simon. Roger Federer plays a night match on Rod Laver against David Goffin.