Kerber, Osaka, Garcia march into China Open 3rd roundAngelique Kerber, of Germany, returns a shot to Dominika Cibulkova, of Slovakia, during the third round of the U.S. Open tennis tournament, Saturday, Sept. 1, 2018, in New York. (AP Photo/Andres Kudacki)
''The conditions with the shadow on court were not so easy to play in the first set,'' the third-ranked Kerber said.
Garcia was stretched to three sets in her first-round win over Yafan Wang.
Garcia will next face new Wuhan Open champion Aryna Sabalenka, who saw off Garbine Muguruz 7-5, 6-4 on her third match point.
No. 8-seeded Naomi Osaka celebrated qualifying for her first WTA Finals next month by beating Danielle Collins of the United States 6-1, 6-0. Osaka was broken in the first game and won the next 12.
She faces No. 10-seeded Julia Goerges for a place in the quarterfinals.
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