Sofia Kenin (3), United States, def. Katarina Zavatska, Ukraine, 6-4, 6-2.
Sam Stosur, Australia, def. Bernarda Pera, United States, 6-4, 1-6, 7-6 (5).
Jasmine Paolini, Italy, def. Zheng Saisai (6), China, 7-5, 3-6, 7-5.
Viktorija Golubic, Switzerland, def. Katerina Siniakova (5), Czech Republic, 4-6, 7-5, 6-0.
Nina Stojanovic, Serbia, def. Peng Shuai, China, 7-6 (4), 2-6, 6-0.
Zhang Shuai (4), China, def. Andrea Petkovic, Germany, 7-5, 6-4.
Marie Bouzkova, Czech Republic, def. Elina Svitolina (1), Ukraine, 6-4, 4-3, ret.
Anna Blinkova, Russia, def. Aleksandra Krunic, Serbia, 6-2, 7-5.
Zhaoxuan Yang and Duan Ying-Ying (2), China, def. Zheng Saisai, China, and Kwan Yau Ng, Hong Kong, China, 6-4, 6-0.
Peng Shuai, China, and Laura Siegemund, Germany, def. Sabrina Santamaria, United States, and Ellen Perez (4), Australia, 6-3, 7-5.
Sharon Fichman, Canada, and Kaitlyn Christian, United States, def. Sam Stosur, Australia, and Zhang Shuai (1), China, 6-2, 2-6, 10-7.Wednesday
At Guangzhou International Tennis Center
Surface: Hardcourt outdoor
GUANGZHOU, CHINA (AP) _ Results Wednesday from Guangzhou Open at Guangzhou International Tennis Center (seedings in parentheses):
Round Of 16
Round Of 16
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