Caroline Wozniacki of Denmark reacts during the women's singles 2nd round match against Agnieszka Radwanska of Poland at WTA Qatar Open 2017 at the International Khalifa Tennis Complex of Doha, Qatar, Feb. 16, 2017. (Xinhua/Nikku)
Caroline Wozniacki of Denmark reacts during the women's singles 2nd round match against Agnieszka Radwanska of Poland at WTA Qatar Open 2017 at the International Khalifa Tennis Complex of Doha, Qatar, Feb. 16, 2017. (Xinhua/Nikku)