Djokovic, Sharapova battle into last 16 in windy Miami

Serbian tennis star Novak Djokovic has won the Miami title three times, including the last two years.

Story highlights

  • World No. 1 Novak Djokovic stays on course for third successive Miami title
  • Serbian will next face 15th seed Tommy Haas in the last 16 of hard-court event
  • Maria Sharapova, four times a runner-up at Key Biscayne, also through to round four
  • Indian Wells winner will next play Czech world No. 22 Klara Zakopalova

Novak Djokovic and Maria Sharapova progressed to the fourth round of the Miami Masters on Sunday, neither impressed with their form as they battled windy, hot conditions.

Djokovic, seeking to emulate Andre Agassi -- the only man to win at Key Biscayne three years in a row, from 2001-03 -- beat 254th-ranked Indian Somdev Devvarman 6-2 6-4.

"It was very difficult to kind of get into a rhythm because you couldn't really serve at 100% and you had to go more for precision and put twice as much effort into the step adjustments because of the windy conditions," said the world No. 1, who will next face veteran German Tommy Haas in the 10-day hard-court event.

"All in all, I'm just happy to get through the rough day."

Djokovic, seeking his fourth Miami crown, having also won in 2007 as well as losing the 2009 final, was joined in the last 16 by Spanish third seed David Ferrer, who will next play Japan's No. 13 Kei Nishikori.

 Radwanska: Playing Serena was tough

    Just Watched

    Radwanska: Playing Serena was tough

Radwanska: Playing Serena was tough 04:36
PLAY VIDEO
Tommy Haas: My daughter motivates me

    Just Watched

    Tommy Haas: My daughter motivates me

Tommy Haas: My daughter motivates me 02:26
PLAY VIDEO
Chris Evert: Grooming future champions

    Just Watched

    Chris Evert: Grooming future champions

Chris Evert: Grooming future champions 04:22
PLAY VIDEO

Read: Sisterly love drives Radwanskas

The Australian Open champion's fellow Serbian Janko Tipsarevic, the seventh seed, will next face French No. 11 Gilles Simon.

Sharapova has been in four title matches in Miami, including the last two, and come away emptyhanded every time.

She is seeking to become only the third woman to win the Indian Wells/Miami double in the same season, and kept alive her hopes with a 6-4 6-2 win over fellow Russian Elena Vesnina, the 29th seed.

"It wasn't easy for the both of us with the heat and the wind," said the world No. 2, who is seeded third.

"It was just one of those days where you know you might not be playing your best tennis -- I certainly wasn't today.

"But I got through, and I'm onto the next one."

Read: Redfoo's song for Azarenka

Sharapova will next face 21st-seeded Czech Klara Zakopalova, who upset another Russian when she beat No. 14 Maria Kirilenko 6-2 7-6 (7-4).

Sharapova lost to the 31-year-old when she was just 15, back in 2003 at the Australian Open, but has won their last four meetings including a last-16 match in Qatar this year.

Romania's Sorana Cirstea earned a clash with former world No. 1 Jelena Jankovic after eliminating German sixth seed Angelique Kerber 6-4 6-0.

"I didn't have any expectations coming into this tournament because I've never played that well in Miami," the Romanian 28th seed said.

Read: Injury blow for Williams

"But I've been fighting the best I could and working my way through every single match, and it's working."

Jankovic, the 2008 runner-up, beat Russian 11th seed Nadia Petrova 7-6 (9-7) 6-4.

Alize Cornet ended the hopes of 19-year-old American Lauren Davis, who was allowed into the main draw when second seed Victoria Azarenka pulled out due to ongoing ankle problems.

The French 32nd seed came from behind to win 2-6 6-3 6-2 and earn a clash with either Italian Roberta Vinci or Spain's Carla Suarez Navarro.

      Tennis

    • Rafael Nadal of Spain watches the ball in his match against Martin Klizan of Slovakia during during day seven of the China Open at the National Tennis Center on October 3, 2014 in Beijing, China.

      Rafael Nadal's body might be giving him a few problems, but his mind remains as strong as ever. Will the Spaniard add to his haul of 14 grand slam titles?
    • LONDON, ENGLAND - OCTOBER 17: Wimbledon champion Andy Murray and his long time girlfriend Kim Sears arrive at Buckingham Palace on October 17, in London, England. Murray will become an Officer of the Order of the British Empire (OBE) and receive his medal from the Duke of Cambridge. (Photo by John Stillwell - WPA Pool/Getty Images)

      The Scot has served up a few changes to his support team in 2014 but there's one person who isn't going anywhere -- his new fiancée Kim Sears.
    • Despite being forced to retire at the age of 24 due to health problems, Lacoste remained in the game and went on start the "Lacoste" brand in 1933, which specialised in tennis products. The inspiration for the company's logo came from his nickname as a player, "le crocodile."

      His distinctive crocodile logo is seen on clothing all over the world, but Rene Lacoste also left a lasting legacy in the development of tennis.
    • Serena Williams of the US holds the US Open trophy after defeating Caroline Wozniacki of Denmark during their US Open 2014 women's singles finals match at the USTA Billie Jean King National Center September 7, 2014 in New York. AFP PHOTO/Stan HONDA (Photo credit should read STAN HONDA/AFP/Getty Images)

      Serena Williams is without peer in the modern women's game and now she is on a par with two American tennis legends from the past.
    • American tennis player and golfer Althea Gibson (right) receives a kiss from compatriot Darlene Hard, whom she beat in two sets to become the first black woman to win the Women's Singles Finals at Wimbledon.

      Over the course of her remarkable life, Althea Gibson was many things to many people -- but it was tennis where she really left her mark.
    • "I didn't cry once when I practiced in front of the mirror," says Martin Emmrich. But the nerves kicked in when he got down on one knee on court.
    • LONDON, UNITED KINGDOM - JULY 03: Tennis / Frauen: Wimbledon 2004, London; Finale; Siegerin Maria SHARAPOVA / RUS 03.07.04. (Photo by Bongarts/Bongarts/Getty Images)

      It's 10 years since a teenage Maria Sharapova became the darling of Wimbledon's hallowed Center Court, launching herself as a star.
    • Five-time grand slam champion Martina Hingis has followed her mom into a coaching role, setting up a new tennis academy in Barcelona, Spain.