The British star says she hasn't had time to adequately prepare after isolating due to Covid.
Twenty-time Grand Slam champion, recovered from Coronavirus, hits court in Melbourne.
World No. 93 to play Sydney Tennis Classic.
"Now I have to recover and will travel to Melbourne only when it is completely safe for everyone," Andrey Rublev said.
World No. 1 welcomes holiday season with street hit.
The World No.1 is likely to skip this year's ATP Cup, which begins next week in Australia.
Both players tested positive. Both are experiencing strong symptoms.
