
Maria Sharapova withdrew from the Brisbane International on Tuesday because of an injured right collarbone that left her unable to serve. She said she didn't want to aggravate the injury with the Australian Open two weeks away.
Serena Williams will face fellow American Varvara Lepchenko in the first round of the Brisbane International and could play local hope Samantha Stosur in the quarterfinals.

A week before the start of the U.S. Open, Ana Ivanovic couldn't walk without pain in her right foot.
She said she had a touch of insomnia after arriving in Australia, and was awake listening to the New Year's Eve fireworks on Monday but not able to join the celebrations.
Brisbane International 2012: Maria Sharapova withdraws, Serena Williams advances →
I just don't know anymore," she said, but "I'm good when I'm awake."
Brisbane International 2012: Maria Sharapova withdraws, Serena Williams advances →