Brisbane: Top-ranked Serena Williams will defend her title at next month's Brisbane International among a powerful women's field in preparation for the Australian Open.
Serena's opponents at the December 29 to January 5 Brisbane tournament will include six of the world's top-10 players. The field announced on Thursday includes No. 2 Victoria Azarenka - the 2009 champion - Maria Sharapova, Jelena Jankovic, Angelique Kerber and Caroline Wozniacki.
The men's field is headlined by 17-time Grand Slam champion Roger Federer, whose rivals include top-20 players Kei Nishikori of Japan, Gilles Simon of France and Kevin Anderson of South Africa.