Federer, Azarenka retain top spot

London: Swiss great Roger Federer and Belarus's Victoria Azarenka hung on to their top spot in the world tennis rankings released on Monday.

In the men's ATP rankings, the top ten remained unchanged except for Argentina's Juan Martin del Potro moving from ninth to eighth after winning bronze at the Olympics.

London Games' runner-up Federer retained the top spot, while Britain's gold medallist Andy Murray remained fourth.

Roger Federer and Belarus\'s Victoria Azarenka hung on to their top spot in the world tennis rankings.

Second place at the London Olympics for Russia's Maria Sharapova allowed her to retain the second spot in the new WTA world rankings, dropping Agnieszka Radwanska down to third.

The rest of the top ten was unchanged as Serena Williams, who demolished Sharapova in Saturday's final 6-0, 6-1, stayed fourth while Belarus' Victoria Azarenka retained the top spot after beating Russia's Maria Kirilenko in the bronze medal match.

Kirilenko moved up from 15th to 14th and took the Russian No. 2 ranking from Vera Zvonareva, who dropped two places to 15th.

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