Alexandr Dolgopolov

Alexandr Oleksandrovych Dolgopolov , formerly known as Oleksandr Dolgopolov Jr., is the topranked Ukrainian male tennis player. He changed his first name spelling to the current form in May 2010. Dolgopolov reached the quarterfinals of the 2011 Australian Open and achieved a careerhigh singles ranking of World No.in January 2012.

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Source: Wikipedia