Roger Federer is currently recovering from surgery to his right knee.
Kyrgios was suspended after tanking during the Shanghai Masters.
The Russian bidding to have two-year ban overturned by Court of Arbitration for Sport.
The five-time Grand Slam winner is hoping her two-year doping ban will be overturned.
The 17-time grand slam champion is set to team up with Rafael Nadal at the inaugural Laver Cup next year.
The 28-year-old Russian recently revealed she tested positive at the Australian Open earlier this year.
Maria Sharapova failed a drug test at the Australian Open, testing positive for the banned drug meldonium.
The 28-year-old player revealed the surprising news during a news conference in Los Angeles.
The 28-year-old Scot made light work of his little-known opponent at the Barclaycard Arena in Birmingham.
The 34-year-old Swiss is set to miss the ABN AMRO World Tennis Tournament and Free Tennis Championships.
The 28-year-old left-hander beat Williams 6-4, 3-6, 6-4 to win her maiden grand slam title.
The 28-year-old world number one vanquished Andy Murray for the fourth time in an Australian Open.
Williams is seeking to equal Steffi Graf's open-era record of 22 grand slam titles in Melbourne.
Eastbourne-based player must avoid problems endured by Heather Watson and Laura Robson.
Murray faces the Canadian in the semi-final. Find out how to follow the match live in the UK.
Kerber wins 7-5 6-2 to deny Konta a place in her first grand slam final.
Kerber and Azarenka face off in the second women's semi-final in Melbourne Park.
Defending champion continues her pursuit of a 22nd grand slam singles title in Melbourne semi-final.
The 28-year-old Scot won a gruelling match on Rod Laver Arena in four sets (6-3 6-7 6-2 6-3).
24-year-old Brit continued her excellent form at the first grand slam of the year.
Kerber and Azarenka face off in the penultimate women's quarter-final in Melbourne.
Andy Murray has beaten David Ferrer in their last five meetings ahead of their quarter-final clash at the 2016 Australian Open.