Maria Sharapova withdrew from the Brisbane International on Tuesday due to inflammation around her collarbone and the world No 2 is still unable to hit a serve just two weeks before the start of the Australian Open.
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Sharapova withdraws from Brisbane International
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Rebecca Marino taking a break from tennis
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Sharapova fights back
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Sharapova pulls out of Beijing Olympics
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Maria Sharapova reaches Australian Open final
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Kleybanova diagnosed with cancer
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Venus Williams knocked out of Australian Open
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Wozniacki could miss US Open
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Trevor Immelman withdraws from British Open
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Sharapova escapes to victory
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Frenchman Simon pulls out of Australian Open
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Sharapova to return to WTA Tour this week
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Sharapova returns to Birmingham
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Nadal to miss four weeks of competition with knee injury
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Vera Zvonareva withdraws from Australian Open
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Zvonareva withdraws from French Open with injury
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Sharapova faces up to six weeks out with elbow injury