Bianca Andreescu aims to return to play in January's Australian Open after a year out with injury.
Andreescu, 20, has not played on tour since the WTA Finals in Shenzhen last year where she retired with a left knee injury.
"I'm doing really well. The virus kind of pushed me back, and some little personal things here and there, but right now I'm good, I'm training hard ... I'm really looking forward to 2021," the Canadian told the Tennis Majors website.
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"I'm perfectly healthy. I just really wanted to take time to build everything in my life, and I think this time off really helped me do that."
World number seven Andreescu said she will be "100%" in Melbourne to play the year's first Grand Slam.
"I wouldn't say I am ready tomorrow to play a match because I am taking it step by step, but maybe in a couple of weeks I will be good," she added.
"I don't want to rush anything but I'm feeling good."

'Romania has a special place in my heart' - Andreescu

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