Petra Kvitova of the Czech Republic serves during the women's singles final match between Belinda Bencic of Switzerland and Petra Kvitova of the Czech Republic at Dubai Duty Free Tennis WTA Championships 2019 in Dubai, the United Arab Emirates, Feb. 23, 2019. Belinda Bencic won 2-1 and claimed the title. (Xinhua/Mahmoud Khaled)