Dayana Yastremska beats Kristina Kucova 2-0 at 2018 Hong Kong Tennis Open

Dayana Yastremska of Ukraine hits a return during the women's singles quarterfinal match against Kristina Kucova of Slovakia at 2018 Hong Kong Tennis Open in Hong Kong, China on Oct. 12, 2018. Dayana Yastremska won 2-0. (Xinhua/Lo Ping Fai)