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