Petra Kvitova, who suffers from asthma, is happy to see a clearer sky in Melbourne.
John McEnroe calls Jannik Sinner "one of the most talented kids I've seen in 10 years."
Serena Williams will lead the USA against Latvia next month.
The 20-year-old injured himself at the ATP Cup.
Players hit the court and social media in a memorable AO Rally For Relief.
The World No.1 believes he tested positive as a result of eating contimanated meat in Colombia.
The former couple still have some good chemistry in front of the camera.
