Rafa Nadal dispelled any remaining doubts over his fitness with a commanding 6-1 6-4 6-2 win against American qualifier Michael Mmoh on Thursday to march into the Australian Open third round and stay on track for a record 21st Grand Slam title.

Novak Djokovic's aura of invincibility at Rod Laver Arena wavered under the pressure of Frances Tiafoe on Wednesday but the Serbian rose to the challenge to claim a tough 6-3 6-7(3) 7-6(2) 6-3 win and reach the third round of the Australian Open.

Rafa Nadal defied his gloomy injury prognosis and complete lack of match practice to crush Laslo Djere 6-3 6-4 6-1 on Tuesday and reach the Australian Open second round as he launched his bid for a record 21st Grand Slam title.

Denis Shapovalov claims he's got the smallest bladder on tour and the Canadian was not impressed when an umpire at the Australian Open denied his request for a toilet break.

The days of tennis players arguing whether balls are in or out could be coming to a close, after the smooth introduction of electronic line judging at the Australian Open on Monday.

Tennis fans wearing masks filtered into Melbourne Park on Monday for the start of the Australian Open, this year's first Grand Slam event, as the host city recorded one new locally transmitted case of the novel coronavirus.

Rafa Nadal brushed aside questions about the Australian Open quarantine on Sunday and said it was time to get down to the business of playing tennis and entertaining fans around the world.

World number one Novak Djokovic found playing without crowds last season strange and he can’t wait to wow the fans in the stands at his 17th Australian Open.

Serena Williams took her daughter to the zoo and Novak Djokovic walked barefoot in a park as the stars of tennis emerged from a fortnight of quarantine ahead of the coronavirus-delayed Australian Open Friday.

Nick Kyrgios has likened Novak Djokovic to NBA player LeBron James in his influence both on and off the court but says he had a duty to call out the world number one when he "lost his way" during the COVID-19 pandemic.

Andy Murray's participation in the Australian Open is in doubt after it was announced on Thursday he had tested positive for coronavirus.

Tennis' top stars will quarantine in Adelaide rather than Melbourne and play an exhibition there ahead of the Australian Open, with the city also hosting a WTA event after the years' first Grand Slam, organisers said Saturday.

Japan's three-time Grand Slam winner Naomi Osaka has inspired a new manga character to appear in an issue of Nakayoshi magazine next month, the publishers announced on Sunday.

Novak Djokovic, Roger Federer and Rafael Nadal have been absent from the title match at the ATP Finals for the past two years, replaced by younger rivals seeking to smash their monopoly.

Russian Daniil Medvedev claims the biggest title of his career as he storms back to beat Dominic Thiem 4-6 7-6(2) 6-4 in an absorbing climax to the ATP Finals

Rafa Nadal's dream of a first ATP Finals title and Novak Djokovic's quest for a record-equalling sixth vanished in defeats by Daniil Medvedev and Dominic Thiem in two seismic semifinals on Saturday.

The start of the Australian Open is set to be pushed back from January to February or March next year due to COVID-19 protocols in the country, the Herald Sun newspaper reported on Saturday.

London’s farewell edition of the ATP Finals could still have its dream climax after world number one Novak Djokovic beat Alexander Zverev 6-3 7-6(4) to seal a last-four spot on Friday.

Rafael Nadal kept alive his hopes of a first ATP Finals title on Thursday, beating defending champion Stefanos Tsitsipas 6-4, 4-6, 6-2 in London to qualify for the last four.

Dominic Thiem held his nerve to claim an impressive 7-6 (9/7), 7-6 (7/4) win against Rafael Nadal at the ATP Finals as the Austrian moved to the brink of a place in the semi-finals on Tuesday.