Djokovic called for players to be allowed to train in lead-up to tournament
72 players in hard quarantine after other passengers tested positive for Covid
Djokovic wants the players to have access to private homes with tennis courts
Japanese hopeful Taro Daniel said players had suggested a three-set format
He said playing five sets is too physically tough given the lack of preparation
New Zealand player Artem Sitak is one of dozens of tennis players forced to spend 14 days in hotel quarantine after Covid-positive passengers arrived in Melbourne on charter flights.
A fourth person who flew in for the Australian Open has tested positive to Covid-19, sending even more international players into hotel quarantine.
Covid quarantine commissioner Emma Cassar on Sunday confirmed a member of a broadcast team on an Australian Open charter flight from Los Angeles to Melbourne has tested positive.
A flight attendant and a tennis coach who were on the same flight are also infected with the virus, as well as Sylvain Bruneau, the coach of Canadian tennis star Bianca Andreescu, who entered Australia from Abu Dhabi.
All four people tested negative when they left the US.
There are 62 close contacts on the LA to Melbourne flight and 63 from the Abu Dhabi flight who will spend 14 days in hotel quarantine.
A third Australian Open charter plane has arrived in Melbourne with a coronavirus-infected passenger on board - sending even more tennis players into quarantine.
All passengers on board Qatar Airways flight QR7485 which landed in Doha from Melbourne on Saturday morning have been told to quarantine for 14 days.
French player Alexandre Müller shared an email from Tennis Australia officials on Sunday night which revealed someone on-board the flight had returned a positive COVID-19 test result.
Western Australian teenage player Tristan Schoolkate was understood to be on the flight, The Herald Sun reported.
The exposure means potentially dozens of players will join the 47 Australian Open hopefuls already in hotel quarantine after positive cases were found on two other charter flights from Los Angeles and Abu Dhabi.