Rafael Nadal said on Wednesday that the tennis season must resume , calling for the authorities to "find solutions" to the issues surrounding quarantining.
"If we stop our sport, a lot of people are going to suffer. We need to think a little bit bigger and, of course, protect players," Nadal said, according to BBC.
Djokovic and Nadal are among several players to have exposed to physical problems following the 14-day period of isolation before the Australian Open.
Many European countries now have significant restrictions on travel and Djokovic, who set up a separate player body to the ATP last year, called for urgent discussions.
"He's completely right that for our sport things are difficult because governments are changing the rules constantly. So it's difficult to make predictions about how the things are going to happen," he added.
"But there is a very clear thing. There are two options. Stop the tour or keep going.
"My personal feeling is it's tough for the players, of course, to have to do bubbles in every single event. A lot of players have family and they cannot have the family with them, so that makes our tour probably tougher than ever.
"But on the other hand, if we stop the tour, why and how and when will we be able to come back? And a lot of jobs are going to suffer a lot."
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