Serena Williams of the US, (right) and Victoria Azarenka of Belarus after their match on the third day of the WTA championship in Istanbul, Turkey, on Thursday. Photo: AFP Serena Williams of the US, (right) and Victoria Azarenka of Belarus after their match on the third day of the WTA championship in Istanbul, Turkey, on Thursday. Photo: AFP
Serena Williams of the US, (right) and Victoria Azarenka of Belarus after their match on the third day of the WTA championship in Istanbul, Turkey, on Thursday. Photo: AFP

Serena downs number one Azarenka again

Serena Williams of the US, (right) and Victoria Azarenka of Belarus after their match on the third day of the WTA championship in Istanbul, Turkey, on Thursday. Photo: AFP Serena Williams of the US, (right) and Victoria Azarenka of Belarus after their match on the third day of the WTA championship in Istanbul, Turkey, on Thursday. Photo: AFP
Serena Williams of the US, (right) and Victoria Azarenka of Belarus after their match on the third day of the WTA championship in Istanbul, Turkey, on Thursday. Photo: AFP
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