message posted on social media by Australian Open organizers to mark the occasion.Kerber is among the 72 players doing hard quarantine for 14 days after a five positive coronavirus tests were returned from charter flights that brought almost 1,200 players, coaches, officials and media to Melbourne for what has previously been dubbed the Happy Slam.That means those players won’t be allowed to leave their hotel rooms or practice for 14 days, creating a two-speed preparation period for the tournament.
Others in less rigorous quarantine will be allowed to practice for five hours daily.Those outdoor sessions started Monday in Melbourne.