Alexander Zverev has opened a war of words with Nick Kyrgios after dismissing his chances of winning the Australia Open and claiming 'there are a lot of young guys better than him'.

MIKE DICKSON IN MELBOURNE: Roger Federer resurfaced at the Australian Open - and it was not the usual early season celebration of the sport's highest profile athlete.

MIKE DICKSON IN MELBOURNE: All it took to transform Nick Kyrgios's image in his own country was one idea and one sentence getting caught in his throat.

What reasons are there to tune in this time? Well, there is excitement around Coco Gauff, Serena Williams in pursuit of a landmark and Rafael Nadal eyes revenge after ATP Cup final defeat.

Roger Federer showed no signs of rust from his lack of match practice ahead of the Australian Open by hammering American Steve Johnson 6-3 6-2 6-2 in the first round on Monday.

MIKE DICKSON IN MELBOURNE: Exiled to a court on the outer limits of Melbourne Park, Dan Evans was not about to get ideas above his station.

MIKE DICKSON IN MELBOURNE: Jo Konta's problems when faced with players who bring a box of tricks to the court surfaced again on Tuesday morning when she was bundled out of the Australian Open.

MIKE DICKSON IN MELBOURNE: Kyle Edmund and Jo Konta suffered a thudding disappointment at the Australian Open as a big day for British singles players started woefully.

MIKE DICKSON IN MELBOURNE: Maria Sharapova's precipitous tumble down the rankings continued after she was bundled out of the Australian Open first round by Donna Vekic.

And the No 7 seed will also offer up $10,000 (£6,180) for every match he wins in the first major of the tennis calendar if he fails to win the tournament.

MIKE DICKSON IN MELBOURNE: Here, Sportsmail's Tennis Correspondent rounds up some of the things you may have missed from day three of the action in Australia.

MIKE DICKSON IN MELBOURNE: Sportsmail's tennis correspondent Mike Dickson rounds up some of the things you may have missed from day six in Melbourne.

The Miami Open was cancelled earlier on Thursday but now the event in Monte-Carlo next month will not take place, as well as tournaments in Houston, Marrakech, Barcelona and Budapest.

World tennis has united to take a pointed swipe at the French Open, as the whole spring clay-court season was formally abandoned.

The world tennis number one sought advice from people around the world on how best to direct help where it is needed before making the donation, which is approximately £890,000.

A lack of activity in the current enforced off-season has hardly been a problem for Katie Swan, unlike so many of her fellow tennis players. She has been busy contributing to a charity effort.

The Spaniard was announced alongside John Isner, Kiki Bertens and Fiona Ferro as the latest tennis stars to participate in the virtual event to help raise money for the coronavirus pandemic.

Rafael Nadal has endured a series of injuries during his illustrious career but the latest setback appeared to happen in the comfort of his own home. 

With his hair in need of a trim, world number one Djokovic gave wife Jelena the responsibility amid the coronavirus lockdown, and was happy with the end product, saying 'Not bad!'

Djokovic posted a video on Instagram showing him exchanging shots with another man at a tennis club in the coastal city of Marbella, where the Serb has reportedly stayed.

Rapson admits staging the eight-man tournament in a corner of western Germany was a 'shot in the dark', but it was considered a sufficient success for four extra competitors to be added.

Luke Hemmings, from Five Seconds Of Summer, is facing allegations of using escorts and cocaine. The 21-year-old was accused by his ex-girlfriend Arzaylea Rodriguez.

5 Seconds Of Summer star Luke Hemmings was spreading the Christmas cheer at Sydney airport on Thursday.

They're the Australian pop-rock group making waves right around the world.

Aussie pop rockers 5 Seconds of Summer rose to fame by covering tracks on YouTube back in 2011.

And on Friday guitarist Michael Clifford revealed the four-man band will perform a series of all-ages shows across the country.

Orpheus Pledger led the arrivals at the Five Seconds for Summer concert at the Metro in Sydney.

Australian pop rockers 5 Seconds of Summer thrilled fans with an acoustic performance in Sydney, on Friday. 

Australian pop rockers 5 Seconds of Summer, perform at National Sawdust festival in New York on Monday.

They're one of the biggest bands to ever come out of Australia. 

It's been a busy year for 5 Seconds of Summer, with their single Youngblood spending an impressive 46 weeks on the Billboard Hot 100. 

5SOS' Calum Hood, 23, and Ashton Irwin, 24, attended the Sydney premiere of Muriel's Wedding The Musical on Thursday.

Five Seconds Of Summer have already dropped three singles from their upcoming fourth studio album. And on Monday, 5SOS singer Luke Hemmings confirmed the band's new album is done.

They made a spectacular comeback last year with their Youngblood album.

They're the Sydney born rockers who split their time between living LA and touring the globe.

5 Seconds of Summer's fourth studio album CALM has climbed to the top of the charts in Australia and the United Kingdom. 

Ashton Irwin has spoken out after 5 Seconds of Summer's new album, Calm, was 'robbed' of the No. 1 spot on the U.S. Billboard Chart this week. 

5 Seconds Of Summer released their fourth studio album, Calm, just days before COVID-19 was officially given the pandemic status last month.

All four members of the Australian band 5 Seconds of Summer (5SOS) grew-up Down Under. 

Matt Hancock today lost his cool as he was grilled over the UK government's failure to set out its strategy for easing the coronavirus lockdown.

The Prime Minister will return to work in Downing Street on Monday to find restlessness brewing in the Tory ranks for restrictions to be relaxed.

British businessman Steve Walsh was one of Britain's first coronavirus superspreaders and his movements were analysed by scientists to help develop an immunity test.

The former Brexit secretary David Davis said that Cummings's presence could alter the advice offered in meetings. It was last night revealed the PM's chief aide had attended Sage meetings.

Dominic Raab today blasted 'irresponsible' critics for demanding the UK government set out how it will ease the nation's coronavirus lockdown.

Phones 4U founder JOHN CAUDWELL: The lockdown has gripped our economy in a deadly embrace - one from which it may never fully recover.

Today guidance drawn up by the British Retail Consortium (BRC) and the shop workers' union Usdaw was released to help shops prepare for the reopening of the UK's high street stores.

Care home nurse Larni Zuniga, 54, was a married father originally from the Philippines who had worked in Britain for 12 years and had not seen his family for five years.

In a statement in Downing Street, the PM assured the country he is back in charge after weeks recuperating from a serious scare with the killer disease.

He emerged hesitantly, tiptoeing gently down the steps of Downing Street like a winter swimmer wading into the icy foam.

STEPHEN GLOVER: Many people will have been uplifted by Boris Johnson's (pictured) stirring speech yesterday outside No 10.