Top-ranked Serena Williams lost in the second round of the Wuhan Open, retiring after 11 games on Tuesday and dropping a third match to Alize Cornet this year. Williams, who won the U.S. Open just over two weeks ago, had just converted a break point for a 6-5 lead when she asked for treatment beside the court. Organizers later said Williams withdrew due to a viral illness. Read more http://espn.go.com/tennis/story/_/i...ms-falls-alize-cornet-second-round-wuhan-open
