Roger Federer, Rafael Nadal advance
MELBOURNE, Australia -- In the same half of a Grand Slam singles draw for the first time since 2005, Rafael Nadal and Roger Federer are taking similar paths to a potential semifinal matchup at the Australian Open.
Neither the four-time Australian champion Federer nor 2009 titleholder Nadal have dropped a set, although Federer's path has been made easier by a walkover win in the second round.
The longtime rivals played back-to-back matches at Rod Laver Arena on Friday. Nadal, his right knee still taped from a recent injury, showed no problems while moving briskly around the court in a 6-2, 6-4, 6-2 win over qualifier Lukas Lacko.
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Federer followed in the marquee matinee program by beating Ivo Karlovic 7-6 (6), 7-5, 6-3, saving a set point in the tiebreaker with a scrambling lob over the 6-foot-10 Croatian. Federer will play Australian teenager Bernard Tomic on Sunday in the fourth round.
"He gave me a second serve and gave me a slight chance," Federer said. "Might have had a little bit of a lucky volley. ..."
Karlovic agreed.
"It was unlucky ... one in a 100 that I'm going to lose that point," Karlovic said. "I didn't really expect him to do that. I was there, I just miscalculated how much I was jumping. If I would have won that, everything would be different, but that's life."
Nadal had few dramas in his match against Lacko, which is just the way he wanted it. He felt a sharp pain in his knee while sitting in his chair in his hotel on the weekend, an innocent enough movement he initially feared would cause him to withdraw from the tournament.
Three matches later, Nadal says "the knee is fine ... being in the fourth round without losing a set, it's fantastic news."
Nadal will next meet fellow Spaniard Feliciano Lopez, who beat No. 16 John Isner 6-3, 6-7 (3), 6-4, 6-7 (0), 6-1 to put the last U.S. man out of the draw.
It is the first time since the start of the Open Era in 1968 that no American men have reached the fourth round at the Australian Open, although no Americans entered the tournament in 1972 and 1973. The last American to win the Australian Open was Andre Agassi in 2003, his third win in four years at Melbourne Park.
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"It's very ugly, to be honest, to have no one in the round of 16 ... very disappointing, not a good effort from the Americans," Isner said. "We've got to try to rectify that next time the big tournaments roll around."
No. 7 Tomas Berdych beat No. 30 Kevin Anderson of South Africa 7-6 (5), 7-6 (1), 6-1 and will next play No. 10 Nicolas Almagro of Spain, who beat 21st-seeded Stanislas Wawrinka of Switzerland 7-6 (2), 6-2, 6-4.
Germany's Philipp Kohlschreiber defeated Alejandro Falla of Colombia 6-3, 6-2, 7-6 (3), 11th-seeded Juan Martin del Potro beat Yen-Hsun Lu of Taiwan 6-2, 6-3, 6-0 and Tomic defeated 13th-seeded Alexandr Dolgopolov of Ukraine 4-6, 7-6 (0), 7-6 (6), 2-6, 6-3. Del Potro plays Kohlschreiber in the fourth round.
Defending champion and top-seeded Novak Djokovic and fourth-seeded Andy Murray, who has lost in the final at Melbourne Park the last two years, play their third-round matches Saturday, with a Djokovic-Murray replay only possible in the semis.
Information from The Associated Press was used in this report.
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Australian Open 2012
Women's singles:
Victoria Azarenka
Men's singles:
Novak Djokovic
Women's doubles:
Svetlana Kuznetsova and Vera Zvonareva
Men's doubles:
Leander Paes and Radek Stepanek
Mixed doubles:
Bethanie Mattek Sands and Horia Tecau
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Day 14
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• Garber: Djokovic now on the brink of history
• Ubha: Top five Slam finals of the Open era
• Harwitt: Reversal of fortune for Rafael Nadal
• Ubha: Breaking down Djokovic-Nadal
• Djokovic wins epic final over Nadal
• Highlight: Djoker needs six hours for win
• Patrick McEnroe breaks down match
• Djoker's thoughts on memorable win
Day 13
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• Azarenka routs Sharapova to take title
• Garber: Double the pleasure for Azarenka
• Gerstner: Sharapova completely outclassed
• Bryans denied record 12th Slam title
• Ubha: Nadal, Djoker goes beyond an Oz title
• Hot Button: Who will win the men's final?
• Bodo: How Nadal can end skid versus Djoker
• Azarenka slams Sharapova in finale
• Doesn't get any better for Azarenka
• Digital Serve: Who will win men's final?
Day 12
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• Djokovic beats Murray in 5 thrilling sets
• Harwitt: Djokovic guts out five-set thriller
• Wilansky: Breaking down Djokovic, Murray
• Ubha: Sharapova, Azarenka to battle
• Hot Button: Who will win the women's final
• Vote: Where does Sharapova rank?
• Vote: Do you believe in Djoker?
• Digital Serve: Women's final preview
• Novak Djokovic on spectacular win
• Djokovic beats Murray in five sets
Day 11
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• Recaps: Women | Men
• Garber: Nadal continues to dominate Federer
• Wilansky: Breaking down Nadal, Federer
• Gerstner: Sharapova, Azarenka pass test
• Ubha: Will Novak Djokovic recover in time?
• Azarenka takes down Clijsters
• Sharapova ousts Kvitova
• Rafa takes out Fed in four sets
• Digital Serve: Djoker or Murray?
Day 10
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• Recaps: Women | Men
• Ubha: Andy Murray semi-bound once again
• Garber: Djoker and Murray to tango
• Gerstner: Sharapova, Kvitova reach semis
• Ubha: Rafa versus Roger never gets old
• Ubha: Top five Federer-Nadal matches
• Hot Button: Who will win Rafa-Roger?
• Ubha: Can Sharapova avenge Wimby loss?
• Rod Laver and Roger Federer talk tennis
• Maria Sharapova eases in to semifinals
• Murray mauls Nishikori
• Djokovic foils Ferrer's bid
• Federer-Nadal preview
• Who will win the women's semis?
Day 9
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• Recaps: Women | Men
• Ubha: Doubts setting in for Novak Djokovic?
• Ubha: Red-hot Federer scorches del Potro
• Garber: Awaiting the Oz-some Rafa-Fed clash
• Gerstner: Same sad ending for Wozniacki
• Vote: Will Wozniacki ever win a Slam title?
• Clijsters beats Wozniacki in two sets
• Digital Serve: Can Ferrer foil Djoker's run?
• Nadal needs for hours to beat Berdych
• Federer destroys del Potro
Day 8
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• Recaps: Women | Men
• Ubha: Maria Sharapova survives scare
• Ubha: Serena misfires in every respect
• Gerstner: Serena Williams not herself
• Ubha: Why the Murray-Lendl duo will work
• Tandon: Fallout from the handshake snub
• Ivan Lendl assesses Andy Murray
• Federer talks about his recent good play
• Serena addresses loss in Oz
• Makarova upsets Serena
• Mary Joe on Serena's loss
• Djoker beats Hewitt in four sets
• Digital Serve: Fed ready for DelPo