Teenager Felix Auger-Aliassime rocketed up the rankings last year and hopes to make his presence felt in grand slams in 2020.
Defending champion Naomi Osaka stands as an ominous presence for her rivals as she bids to retain the Australian Open title.
Players are concerned about their welfare as the year's first grand slam prepares to get underway in difficult conditions.
Will Novak Djokovic land an eighth Australian Open men's singles title, or could a first-time grand slam champion be crowned in Melbourne?
Australian Open officials convinced Rafael Nadal when the Spaniard asked about air quality in Melbourne.
Amid air quality concerns ahead of the Australian Open, Roger Federer said he was unworried.
An asthma sufferer, Petra Kvitova said poor air quality at the Australian Open was a concern.
Preparing to defend her Australian Open title, Naomi Osaka said she was more fearless a year ago.
Daniil Medvedev is gaining confidence, but says the 'Big Three' will be tough to stop at the Australian Open.
As she deals with a hamstring injury, Angelique Kerber is hopeful about her fitness.