Roger Federer and Victoria Azarenka are seeded No. 1 for the Olympic singles tournaments at Wimbeldon.
The International Tennis Federation says it awarded the seedings based on the ATP and WTA rankings of July 23. Beijing Olympics bronze medalist Novak Djokovic is seeded No. 2.
Local hope Andy Murray, who lost the Wimbledon final to Federer this month, is seeded No. 3. Rafael Nadal, the 2008 Olympic champion, withdrew from the London Games because of injury.
Wimbledon winner Serena Williams is seeded fourth in the women's draw, behind Australian Open champion Azarenka, Wimbledon runner-up Agnieska Radwanska and French Open champion Maria Sharapova.
Serena and Venus Williams, bidding for a third Olympic doubles title, are unseeded in the women's doubles.