Roger Federer said a lack of information made matters worse for players who were forced to stay on the courts on Tuesday and Wednesday, when air quality in Melbourne was among the worst on the planet.
Naomi Osaka posted a picture with her 2018 US Open final counter-part Serena Williams on Twitter but what stood out was her caption.
Roger Federer said he would donate to the Australia bushfires appeal on Monday after tennis players pledged hundreds of thousands of dollars to the disaster.
Defending champion Novak Djokovic insisted there are no clear favourites for the next week's Australian Open despite his ominous start to the season.
A Rafael Nadal triumph in Melbourne could set the stage for him to set a new landmark at Roland Garros, where he will start hot favourite to add to his 12 French Open titles.
While the world number two remains in a tight battle with Rafael Nadal and Roger Federer in the race for most Grand Slam titles won, Novak Djokovic believes what currently drives him in the sport is something deeper than that.
Rafael Nadal led Spain to the Davis Cup title just over three weeks ago then went on a short break before beginning his preparations for the new season.
Roger Federer has revealed the psychological torment he went through after an exhibition duel scheduled against Alexander Zverev in Colombia was cancelled last month.
Top-ranked Rafael Nadal and Ashleigh Barty lead the field at the 115th edition of the Australian Open from January 20-February 7.
Fans appreciated the footwork of young kid who was imitating Roger Federer while watching the 38-year-old on TV.
Tennis great Roger Federer is to become the first living Swiss to have a coin minted in their honour.
Roger Federer was scheduled to play against Alexander Zverev in Bogota on November 22.
Rafael Nadal draws level with rivals Novak Djokovic and Roger Federer, who have also finished the year in top spot five times, and moves one behind six-time end-of-year number one Pete Sampras.
Novak Djokovic will be part of the Serbian Davis Cup squad which will participate in the tournament that is being played in a new format.
Dominic Thiem saw off the big-serving German 7-5, 6-3 after Greece's Stefanos Tsitsipas, making his ATP Finals debut, had earlier beaten Roger Federer.
ATP Finals: Stefanos Tsitsipas beat Roger Federer 6-3, 6-4 in the semi-final clash.
Rafael Nadal exited the ATP Finals but ended his season as the world number one and with a chance to lead Spain to Davis Cup glory.