
Petra Kvitova of the Czech Republic hits a return during the women's singles final match against Aryna Sabalenka of Belarus at the 2020 WTA Qatar Open in Doha, Qatar, Feb. 29, 2020. (Photo by Nikku/Xinhua)

Petra Kvitova of the Czech Republic hits a return during the women's singles final match against Aryna Sabalenka of Belarus at the 2020 WTA Qatar Open in Doha, Qatar, Feb. 29, 2020. (Photo by Nikku/Xinhua)