Former world No. 1 and three-time Australian Open finalist Daniil Medvedev was knocked out of the second round of the Australian Open by debutant Learner Tien.
After advancing to the third round of the Australian Open, Novak Djokovic admitted that he was surprised to break Roger Federer's Grand Slam match record.
Teenager Joao Fonseca has received praise from big names in the game after a stunning straight sets victory over world No 9 Andrey Rublev in the first round at the Australian Open.
Emma Raducanu played down her serving struggles during the first round of the Australian Open, and is now looking ahead to a big challenge against Amanda Anisimova.
Iga Swiatek started her Australian Open campaign with a victory on Monday, extending her near-perfect record in Grand Slam opening-round matches.
Emma Raducanu is "feeling good" ahead of the Australian Open as she banished fitness doubts in an optimistic pre-tournament press conference.