Djokovic will next be in action at the Dubai Tennis Championships at the end of this month for an event he has won the last three years.

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The 22-year-old will climb to a career-high No. 5 after winning the Dubai Tennis Championships on Saturday, when she beat Germany's rising star Julia Gorges 7-5 6-4 in the final.

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"Unfortunately, I will not be able to play the Barclays Dubai Tennis Championships this year because of the back injury that's been bothering me since the end of last season, " the 23-year-old said.

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