China's Zheng Saisai loses in first round of BNP Paribas Open

Zheng Saisai of China serves during the women's singles first round match against Kristina Mladenovic of France at the BNP Paribas Open tennis tournament in Indian Wells, the United States, on March 7, 2019. Zheng Saisai lost 0-2. (Xinhua/Zhao Hanrong)