Defending champion Serena Williams has withdrawn from the 2011 Australian Open. Her foot injury was recently became worse after she went into training, and she had to have more surgery. Her doctors have determined that returning to tennis right now would put her at too much risk.
Williams missed the 2010 U.S. Open because of the injury, which was caused by broken glass when drunken World Cup enthusiasts threw bottles in a Munich restaurant where the former world number 1 was a patron. She recently withdrew from Hopman Cup competition, causing fans to fear that she would also withdraw from Melbourne.
Williams won the Australian Open in both 2009 and 2010.