Singapore events

LONDON, ENGLAND - JULY 28: Andy Roddick (R) and John Isner of the United States of America play against Marcelo Melo and Bruno Soares of Brazil during their Men's Doubles Tennis match on Day 1 of the London 2012 Olympic Games at the All England Lawn Tennis and Croquet Club in Wimbledon on July 28, 2012 in London, England. (Photo by Phil Walter/Getty Images)

LONDON, ENGLAND - JULY 28: Andy Roddick (R) and John Isner of the United States of America play against Marcelo Melo and Bruno Soares of Brazil during their Men's Doubles Tennis match on Day 1 of the London 2012 Olympic Games at the All England Lawn Tennis and Croquet Club in Wimbledon on July 28, 2012 in London, England. (Photo by Phil Walter/Getty Images)