Novak Djokovic has won all nine of his previous Australian Open finals so confidence is sky-high as he bids to equal Rafael Nadal's Grand Slam record and return to world number one.
Player-turned commentator Jelena Dokic lashed out Monday at the "disgusting" body-shaming she has endured online while working at the Australian Open.
Novak Djokovic makes his eagerly anticipated return to the Australian Open on Tuesday and women's world number two Ons Jabeur will also launch her title bid.
World number one Iga Swiatek is the favourite to win an Australian Open women's draw shorn of some of its biggest recent stars.
Frances Tiafoe won his first-round match at the Australian Open on Monday but it was the American's outrageously colourful kit which set tongues wagging.
World number one Iga Swiatek survived a tough examination against Jule Niemeier on Monday to reach the second round of the Australian Open.
Novak Djokovic said he felt "emotional" following a warm reception from fans upon his return to Melbourne Park for a practice match against Nick Kyrgios on Friday.
Usain Bolt says he is looking to spread the Nitro team athletics concept globally after the success of the inaugural event in Melbourne on Saturday.
The athletics world is hoping to cash in on the success of cricket's high-octane Twenty20 format with a new team event spearheaded by Usain Bolt which starts Saturday in Australia.