Victoria Azarenka's son is already learning tennis by watching the one and only Roger Federer, who just so happens to also have a son named Leo.

Azarenka, a two-time Australian Open champion, has been keeping up with all the action in Melbourne, with little Leo always nearby.

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The 27-year-old welcomed her first child in December with her boyfriend Billy McKeague. She is expected to return to the tour, though she isn't sure exactly when.

Until then, she'll be kept plenty busy with her new job, motherhood.

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It seems the Belarusian will have plenty of support when she does return, even from the likes of Chris Evert, a mother to three sons.