Forget all that speculation about Serena Williams considering retirement after her emotional hand-to-heart gesture upon her Australian Open exit three months ago.

Barbora Krejcikova of the Czech Republic makes a forehand return to Russia's Ekaterina Alexandrova during their second round match at the Australian Open tennis champions...

Spain's Rafael Nadal reacts after winning a point against Greece's Stefanos Tsitsipas during their quarterfinal match at the Australian Open tennis championship in Melbou...