Wimbledon 2012

Highlights from the 2012 Wimbledon tennis championships, London, England.

Roger Federer of Switzerland plays a shot to Novak Djokovic of Serbia during a semifinals match at the All England Lawn Tennis Championships at Wimbledon, England, Friday, July 6, 2012. (AP Photo/Anja Niedringhaus)

Novak Djokovic of Serbia plays a shot to Roger Federer of Switzerland during a semifinals match at the All England Lawn Tennis Championships at Wimbledon, England, Friday, July 6, 2012. (AP Photo/Anja Niedringhaus)

Agnieszka Radwanska of Poland plays a shot to Angelique Kerber of Germany during a semifinals match at the All England Lawn Tennis Championships at Wimbledon, England, Thursday, July 5, 2012. (AP Photo/Alastair Grant)

Angelique Kerber of Germany plays a return to Agnieszka Radwanska of Poland during a semifinals match at the All England Lawn Tennis Championships at Wimbledon, England, Thursday, July 5, 2012. (AP Photo/Anja Niedringhaus)

The Championships - Wimbledon 2012: Day Nine

LONDON, ENGLAND - JULY 04: A general view of the crowd on Murray Mount on day nine of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 4, 2012 in London, England. (Photo by Dan Kitwood/Getty Images)

Sabine Lisicki of Germany reacts winning against Maria Sharapova of Russia during a fourth round single match at the All England Lawn Tennis Championships at Wimbledon, England, Monday, July 2, 2012. (AP Photo/Sang Tan)

Lukas Rosol of the Czech Republic reacts after defeating Rafael Nadal of Spain during a second round men's singles match at the All England Lawn Tennis Championships at Wimbledon, England, Thursday, June 28, 2012. (AP Photo/Anja Niedringhaus)

Ana Ivanovic of Serbia returns a shot to Julia Goerges of Germany during a third round women's singles match at the All England Lawn Tennis Championships at Wimbledon, England, Saturday, June 30, 2012. (AP Photo/Kirsty Wigglesworth)

Yaroslava Shvedova of Kazakhstan returns a shot to Sara Errani of Italy during a third round women's singles match at the All England Lawn Tennis Championships at Wimbledon, England, Saturday, June 30, 2012. (AP Photo/Sang Tan)

Sara Errani of Italy reacts during a third round women's singles against Yaroslava Shvedova of Kazakhstan during a third round women's singles match at the All England Lawn Tennis Championships at Wimbledon, England, Saturday, June 30, 2012. (AP Photo/Sang Tan)

Zheng Jie of China plays a return to Serena Williams of the United States during a third round women's singles match at the All England Lawn Tennis Championships at Wimbledon, England, Saturday, June 30, 2012. (AP Photo/Anja Niedringhaus)

The Championships - Wimbledon 2012: Day Six

LONDON, ENGLAND - JUNE 30: Benoit Paire of France serves during his Gentlemen's Singles third round match against Brian Baker the USA on day six of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on June 30, 2012 in London, England. (Photo by Paul Gilham/Getty Images)

The Championships - Wimbledon 2012: Day Six

LONDON, ENGLAND - JUNE 30: Brian Baker the USA celebrates winning his Gentlemen's Singles third round match against Benoit Paire of France on day six of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on June 30, 2012 in London, England. (Photo by Paul Gilham/Getty Images)

The Championships - Wimbledon 2012: Day Six

LONDON, ENGLAND - JUNE 30: Serena Williams of the USA returns a shot during her Ladies' Singles third round match against Jie Zheng of China on day six of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on June 30, 2012 in London, England. (Photo by Clive Brunskill/Getty Images)