Key dates: Aug. 4, doubles finals; Aug. 5, singles and mixed doubles finals Venue: Wimbledon Big story: Will Roger Federer (above) double up his 2012 Wimbledon title by winning his first Olympic singles gold medal (he won doubles gold in Beijing)? Rafael Nadal withdrew from the Olympics with knee tendinitis opening the way for Britains Andy Murray or Nadal's countyman David Ferrer. Top U.S. prospects: John Isner, the only American in the top 10, can get hot with his serve and he should be motivated after being upset early at Wimbledon. Twin brothers Bob and Mike Bryan of Camarillo are the No. 1-ranked doubles team in the world and are favored to win after settling for bronze in 2008. Others to watch: Novak Djokovic, who won three of the four majors in 2011, as is Murray, the Scotsman who made it to the Wimbledon final. Jo-Wilfried Tsonga, the hard-hitting Frenchman could benefit from shortened best-of-three matches. Americans Lisa Raymond and Bob Bryan made themselves the mixed favorites by winning Wimbledon. Little-known fact: John Pius Boland, an Irishman, won the first Olympic tennis gold medal in 1896 and he died on St. Patrick's day in 1958.
STEFAN WERMUTH/Reuters Photo
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