Serbia's Novak Djokovic in the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021126

Serbia's Novak Djokovic during the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021125

Serbia's Novak Djokovic in the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021124

Serbia's Novak Djokovic during the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021123

Rod Laver Arena tennis stadium, the main venue for the Australian Open, after hosting the match between Serbia's Novak Djokovic and Spain's David Ferrer.

25.01.2012#1021122

Rod Laver Arena tennis stadium, the main venue for the Australian Open, after hosting the match between Serbia's Novak Djokovic and Spain's David Ferrer.

25.01.2012#1021121

Spain's David Ferrer in the Australian Open Tennis Championships' quarterfinal match against Serbia's Novak Djokovic.

25.01.2012#1021120

Serbia's Novak Djokovic in the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021119

Serbia's Novak Djokovic in the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021118

Serbia's Novak Djokovic in the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021117

Serbia's Novak Djokovic in the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021116

Serbia's Novak Djokovic in the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021115

Serbia's Novak Djokovic in the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021114

Serbia's Novak Djokovic in the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021113

Serbia's Novak Djokovic in the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021112

Spain's David Ferrer after the Australian Open Tennis Championships' quarterfinal match against Serbia's Novak Djokovic.

25.01.2012#1021068

Serbia's Novak Djokovic celebrates his win in the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021067

Serbia's Novak Djokovic celebrates his win in the Australian Open Tennis Championships' quarterfinal match against Spain's David Ferrer.

25.01.2012#1021066

Maria Sharapova of Russia signs autographs after her quarter final match against Ekaterina Makarova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020668

Maria Sharapova of Russia signs autographs after her quarter final match against Ekaterina Makarova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020667

Maria Sharapova of Russia after her quarter final match against Ekaterina Makarova of Russia at the 2012 Australian Open Tennis Championships.

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Ekaterina Makarova of Russia after her quarter final match against Maria Sharapova of Russia at the 2012 Australian Open Tennis Championships.

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Ekaterina Makarova of Russia after her quarter final match against Maria Sharapova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020664

Maria Sharapova of Russia plays her quarter final match against Ekaterina Makarova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020663

From left: Ekaterina Makarova and Maria Sharapova of Russia play their quarter final match against each other at the 2012 Australian Open Tennis Championships.

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Maria Sharapova of Russia plays her quarter final match against Ekaterina Makarova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020631

Ekaterina Makarova of Russia plays her quarter final match against Maria Sharapova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020630

Maria Sharapova of Russia plays her quarter final match against Ekaterina Makarova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020629

Maria Sharapova of Russia plays her quarter final match against Ekaterina Makarova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020628

Maria Sharapova of Russia plays her quarter final match against Ekaterina Makarova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020627

Maria Sharapova, foreground, and Ekaterina Makarova, background, play their quarter final match against each other at the 2012 Australian Open Tennis Championships.

25.01.2012#1020626

Maria Sharapova of Russia plays her quarter final match against Ekaterina Makarova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020625

Maria Sharapova of Russia plays her quarter final match against Ekaterina Makarova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020624

Ekaterina Makarova of Russia plays her quarter final match against Maria Sharapova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020623

Ekaterina Makarova of Russia plays her quarter final match against Maria Sharapova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020622

Maria Sharapova of Russia plays her quarter final match against Ekaterina Makarova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020621

Maria Sharapova of Russia plays her quarter final match against Ekaterina Makarova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020620

Ekaterina Makarova of Russia plays her quarter final match against Maria Sharapova of Russia at the 2012 Australian Open Tennis Championships.

25.01.2012#1020619