The difference between the Australian Open COVID plan and rules at other international tournaments

The world’s best tennis players have had an abrupt introduction to the world of hotel quarantine and isolation upon their arrival into Australia.

Of all the players set to compete in the first major of the season, 72 are now in hard quarantine after three of the 17 charter flights were impacted by positive COVID tests.

Some players have criticised the hard quarantine, saying they did not know that everyone on a flight would have to quarantine in the event of a positive test, although that has been contradicted by some other players.

Regardless, the increase in restrictions the players are facing has come as a shock to their collective systems. So why is that?

What…