Two-time Australian Open champion Victoria Azarenka pleaded for players to be more understanding.
World number 13 Roberto Bautista Agut compared being in hotel quarantine to imprisonment.
Australian Open tournament director Craig Tiley discussed Novak Djokovic's reported requests.
Players self-isolating ahead of the Australian Open have been told they will not get "special treatment" despite complaints over conditions.
There are now 72 players in total quarantining ahead of the Australian Open, leaving the tournament in crisis.
A host of players must stay in their hotel rooms for 14 days, but the Australian Open chief says the tournament will not be postponed.
After three COVID-19 positives across two charter flights to Melbourne, a host of leading tennis stars are entering hard lockdown.
Two people on a flight carrying Australian Open players to Melbourne have tested positive for COVID-19.
American Madison Keys is self-isolating just a few weeks before she was due to compete in the Australian Open.
Andy Murray still hopes to play in Melbourne but a statement from the Australian Open suggests he will not feature at the tournament.