"It's been a tough two weeks for me," wrote Yastremska on her social media. She arrived in Dubai two weeks ago in good spirits, the COVID-19 test was negative. Two days later, however, she got sick and went straight to quarantine. "The symptoms were really strange, I felt very bad," she continued.

After some tests, the world number 29 wants. slowly get back into training.

She also thanked her team and the doctors in Ukraine. And warns her fans: "People, be careful!"