Citing bad back, Rafael Nadal out of Rotterdam tournament ...

Osaka back to No. 2; Medvedev No. 3; Karatsev jumps 72 spots ...

Coco Gauff advances in three sets at Adelaide International ...

The art of destruction: Finding beauty in Djokovic's dominance ...

New dad Polasek wins 1st major doubles title in Australia ...

Dominant Djokovic cruises at Aussie Open to win 18th Slam title ...

Naomi Osaka wins Australian Open, stays perfect in Slam finals ...

Djokovic keeps perfect record in Australian Open semifinals ...

Steffi Graf and Andre Agassi open up about family life ...

'I don't know, I'm done': Williams makes tearful exit ...

Osaka gets best of Serena in Australian Open semifinals ...

Rafael Nadal upset by Stefanos Tsitsipas at Australian Open ...

Medvedev keeps win streak alive, reaches Australian Open semifinals ...

No. 1 Barty upset in Australian quarterfinals by Muchova ...

Tennis Canada VP of high performance Louis Borfiga announces retirement ...

Novak Djokovic 'emotionally drained' after hard-fought win over Alexander Zverev ...

Aslan Karatsev reaches semis of major debut ...

Pegula's $4 billion back story ...

Injured Novak Djokovic advances to quarters ...

Medvedev survives meltdown to advance ...

Djokovic not sure if he can keep playing at Australian Open ...

Auger-Aliassime tops Shapovalov in Canadian clash at Australian Open ...

Thiem halts Kyrgios at Australian Open ...

At 39, Lopez isn't just showing up, he's winning ...

Rafael Nadal laughs after Australian Open fan flips him off during match ...