Serbia&#039;s Novak Djokovic shakes hands with Germany&#039;s Tommy Haas after Djokovic won their fourth round men&#039;s singles match on day seven of the 2013 Wimbledon Championships tennis tournament at the All England Club in Wimbledon, southwest London, on July 1, 2013. Djokovic won 6-1, 6-4, 7-6.  AFP PHOTO / CARL COURT -  RESTRICTED TO EDITORIAL USE
