Alexandr Oleksandrovych Dolgopolov (born 7 November 1988),[a] formerly known as Oleksandr Dolgopolov Jr.,[b] is a Ukrainian professional tennis player, and the top-ranked 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 career-high singles ranking of World No. 13 in January 2012.
