Azarenka and former boyfriend Billy McKeague, have one son, Leo, born 19 December 2016.
In mixed doubles, Azarenka and countryman Max Mirnyi won the US Open title in 2007, defeating Meghann Shaughnessy and Leander Paes.
Azarenka is fluent in Belarusian, Russian, English and has some handling of French and Ukrainian.
At the US Open 2007, Azarenka upset former world No. 1 Martina Hingis in the third round, before 2004 US Open champion Svetlana Kuznetsova beat her in the fourth round.