The Olympic doubles champion Serena Williams has pulled out of the women's tennis tournament with an injured left knee, the same injury that forced her out of recent tournaments in San Diego and Montreal.
Venus Williams, the women's singles champion who also partnered Serena in the doubles in Sydney, will now team up with Chanda Rubin, who was originally only contesting the singles.
Serena's withdrawal came the day after her compatriot Jennifer Capriati, gold medallist 12 years ago, pulled out with a hamstring injury.
In the men's event, Tim Henman has been seeded fourth. The world No 1 and Wimbledon champion, Roger Federer, is top seed, with the US Open champion Andy Roddick seeded second. Spain's Carlos Moya is seeded No 3. Justine Henin-Hardenne is the top seed in the women's singles, followed by France's Amélie Mauresmo and Russian Anastasia Myskina.Reuse content