Katerina Siniakova advances to Shenzhen Open final

Katerina Siniakova of the Czech Republic serves during the semi-final match against Maria Sharapova of Russia at the WTA Shenzhen Open tennis tournament in Shenzhen, China, Jan. 5, 2018. Katerina Siniakova won 2-1. (Xinhua/Mao Siqian)