French Open finalist Anastastia Pavlyuchenkova of Russia said on Thursday she is the latest tennis player to test positive for the coronavirus ahead of the Australian Open. “Unfortunately, I have some bad news. I arrived in Australia on Tuesday and tested positive for COVID-19,” Pavlyuchenkova said on Twitter. “I was fully vaccinated and was preparing for the start of the season in Dubai. Right now I am in complete isolation, in a special hotel and following all the protocols under the supervision of doctors.” World number 11 Pavlyuchenkova added she would be “back on court when it’s safe for …