Wimbledon quarterfinal action

Wimbledon has been anything but predictable. The tournament has tested these athletes and sent home many top seeds.


Photos: Meet the new German hearththrob | Age, game opponent doom Serena Williams at Wimbledon | American Sloane Stephens reaches quarterfinals

LONDON, ENGLAND - JULY 02: Petra Kvitova of Czech Republic receives treatment during the Ladies' Singles quarter-final match against Kirsten Flipkens of Belgium on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Petra Kvitova of Czech Republic receives treatment during the Ladies' Singles quarter-final match against Kirsten Flipkens of Belgium on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
LONDON, ENGLAND - JULY 02: Kirsten Flipkens of Belgium celebrates match point during the Ladies' Singles quarter-final match against Petra Kvitova of Czech Republic on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Kirsten Flipkens of Belgium celebrates match point during the Ladies' Singles quarter-final match against Petra Kvitova of Czech Republic on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
LONDON, ENGLAND - JULY 02: Petra Kvitova of Czech Republic plays a backhand during the Ladies' Singles quarter-final match against Kirsten Flipkens of Belgium on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Mike Hewitt/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Petra Kvitova of Czech Republic plays a backhand during the Ladies' Singles quarter-final match against Kirsten Flipkens of Belgium on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Mike Hewitt/Getty Images)
LONDON, ENGLAND - JULY 02: Petra Kvitova of Czech Republic plays a backhand during the Ladies' Singles quarter-final match against Kirsten Flipkens of Belgium on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Petra Kvitova of Czech Republic plays a backhand during the Ladies' Singles quarter-final match against Kirsten Flipkens of Belgium on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
LONDON, ENGLAND - JULY 02: Agnieszka Radwanska of Poland shakes hands at the net with Na Li of China after their Ladies' Singles quarter-final match on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Agnieszka Radwanska of Poland shakes hands at the net with Na Li of China after their Ladies' Singles quarter-final match on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
Sloane Stephens of the United States returns to Monica Puig of Puerto Rico during their Women's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Kirsty Wigglesworth)
No major champions in women's semis at Wimbledon
Sloane Stephens of the United States returns to Monica Puig of Puerto Rico during their Women's singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, July 1, 2013. (AP Photo/Kirsty Wigglesworth)
LONDON, ENGLAND - JULY 02: Sloane Stephens of United States of America plays a forehand during the Ladies' Singles quarter-final match against Marion Bartoli of France on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Julian Finney/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Sloane Stephens of United States of America plays a forehand during the Ladies' Singles quarter-final match against Marion Bartoli of France on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Julian Finney/Getty Images)
LONDON, ENGLAND - JULY 02: Sabine Lisicki of Germany celebrates match point during the Ladies' Singles quarter-final match against Kaia Kanepi of Estonia on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Julian Finney/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Sabine Lisicki of Germany celebrates match point during the Ladies' Singles quarter-final match against Kaia Kanepi of Estonia on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Julian Finney/Getty Images)
LONDON, ENGLAND - JULY 02: Sabine Lisicki of Germany celebrates match point during the Ladies' Singles quarter-final match against Kaia Kanepi of Estonia on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Julian Finney/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Sabine Lisicki of Germany celebrates match point during the Ladies' Singles quarter-final match against Kaia Kanepi of Estonia on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Julian Finney/Getty Images)
LONDON, ENGLAND - JULY 02: Sabine Lisicki of Germany celebrates match point during the Ladies' Singles quarter-final match against Kaia Kanepi of Estonia on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Julian Finney/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Sabine Lisicki of Germany celebrates match point during the Ladies' Singles quarter-final match against Kaia Kanepi of Estonia on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Julian Finney/Getty Images)
LONDON, ENGLAND - JULY 02: Na Li of China reacts during the Ladies' Singles quarter-final match against Agnieszka Radwanska of Poland on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Na Li of China reacts during the Ladies' Singles quarter-final match against Agnieszka Radwanska of Poland on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
LONDON, ENGLAND - JULY 02: Sabine Lisicki of Germany celebrates a point during the Ladies' Singles quarter-final match against Kaia Kanepi of Estonia on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Julian Finney/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Sabine Lisicki of Germany celebrates a point during the Ladies' Singles quarter-final match against Kaia Kanepi of Estonia on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Julian Finney/Getty Images)
LONDON, ENGLAND - JULY 02: Agnieszka Radwanska of Poland reacts during the Ladies' Singles quarter-final match against Na Li of China on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Agnieszka Radwanska of Poland reacts during the Ladies' Singles quarter-final match against Na Li of China on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
LONDON, ENGLAND - JULY 02: Sabine Lisicki of Germany tosses the ball in the air as she serves during the Ladies' Singles quarter-final match against Kaia Kanepi of Estonia on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Julian Finney/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Sabine Lisicki of Germany tosses the ball in the air as she serves during the Ladies' Singles quarter-final match against Kaia Kanepi of Estonia on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Julian Finney/Getty Images)
LONDON, ENGLAND - JULY 02: Agnieszka Radwanska of Poland plays a backhand during the Ladies' Singles quarter-final match against Na Li of China on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Agnieszka Radwanska of Poland plays a backhand during the Ladies' Singles quarter-final match against Na Li of China on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
LONDON, ENGLAND - JULY 02: Agnieszka Radwanska of Poland plays a backhand during the Ladies' Singles quarter-final match against Na Li of China on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)
The Championships - Wimbledon 2013: Day Eight
LONDON, ENGLAND - JULY 02: Agnieszka Radwanska of Poland plays a backhand during the Ladies' Singles quarter-final match against Na Li of China on day eight of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club at Wimbledon on July 2, 2013 in London, England. (Photo by Dennis Grombkowski/Getty Images)

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