Madison Brengle of United States serves during the women's singles final round qualifying match against Saisai Zheng of China at WTA Qatar Open 2017 at the International Khalifa Tennis Complex of Doha, Qatar, Feb. 13, 2017. Madison Brengle won 2-0 to qualify main draw. (Xinhua/Nikku)
Madison Brengle of United States celebrates after winning the women's singles final round qualifying match against Saisai Zheng of China at WTA Qatar Open 2017 at the International Khalifa Tennis Complex of Doha, Qatar, Feb. 13, 2017. Madison Brengle won 2-0 to qualify main draw. (Xinhua/Nikku)
Saisai Zheng of China prepares to serve during the women's singles final round qualifying match against Madison Brengle of United States at WTA Qatar Open 2017 at the International Khalifa Tennis Complex of Doha, Qatar, Feb. 13, 2017. Madison Brengle won 2-0 to qualify main draw. (Xinhua/Nikku)
Madison Brengle of United States celebrates after winning the women's singles final round qualifying match against Saisai Zheng of China at WTA Qatar Open 2017 at the International Khalifa Tennis Complex of Doha, Qatar, Feb. 13, 2017. Madison Brengle won 2-0 to qualify main draw. (Xinhua/Nikku)
Madison Brengle of United States celebrates after winning the women's singles final round qualifying match against Saisai Zheng of China at WTA Qatar Open 2017 at the International Khalifa Tennis Complex of Doha, Qatar, Feb. 13, 2017. Madison Brengle won 2-0 to qualify main draw. (Xinhua/Nikku)