Nao Hibino of Japan reacts during the women's singles 1st round qualifying match against Jelena Jankovic of Serbia at WTA Qatar Open 2017 at the International Khalifa Tennis Complex of Doha, Qatar, Feb. 11, 2017. Nao Hibino lost 1-2. (Xinhua/Nikku)
Nao Hibino of Japan reacts during the women's singles 1st round qualifying match against Jelena Jankovic of Serbia at WTA Qatar Open 2017 at the International Khalifa Tennis Complex of Doha, Qatar, Feb. 11, 2017. Nao Hibino lost 1-2. (Xinhua/Nikku)