Australian Open champion Madison Keys suffered a shock 6-4, 6-2 defeat in the third round of the Miami Open to Filipina teenager Alexandra Eala.

High-profile doping controversies in tennis aren't new. Former Australian Open champion and World No. 2 Petr Korda saw his career come to a bitter end.

American tennis star Brian Teacher reached World No. 7 during his career, defeating legends like Jimmy Connors and Arthur Ashe. However, his biggest triumph came at the Australian Open — after he almost didn’t play.

Australian Open cemented its status as a global sporting spectacle, generating $84.32 million in sponsorship revenue and $55.16 million in domestic media revenue. With 35 sponsors - including newcomers Red Bull,

Aryna Sabalenka is simply too good to keep losing finals. Sabalenka, the world No. 1, beat Jessica Pegula 7-5, 6-2 in a topsy-turvy Miami Open final in which she managed to play the biggest points just a little bit better than Pegula,

World number one Aryna Sabalenka claims her second title of the year by beating Jessica Pegula 7-5 6-2 in the women's Miami Open final.

Though Pegula has made three Miami Open semifinals in four years, she has never gotten this far. Now she goes for her fourth WTA 1000 (point) title.