LONDON, ENGLAND - JULY 01: Sabine Lisicki of Germany celebrates match point during her Ladies' Singles fourth round match against Serena Williams of United States of America on day seven of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 1, 2013 in London, England. (Photo by Mike Hewitt/Getty Images)
Wimbledon fourth round action
The second week of Wimbledon kicks off. Monday marks "Manic Monday" and it lived up to its name as Serena Williams ended her winning streak and was defeated by Sabine Lisicki. What other surprises does Wimbledon have in store for us?