The unseeded Putintseva eliminated third seed Tatjana Maria of Germany 6-4, 6-7 (6), 6-0. Putintseva converted six of 12 break points and saved nine of 11, overcoming Maria's 6-1 edge in aces. Minnen, the seventh seed, ousted fourth seed Lucia Bronzetti of Italy 6-7 (8), 6-4, 6-1. Top seed Magda Linette of Poland avoided the upset in defeating fifth seed Rebeka Masarova of Spain 7-5, 7-6 (6). In the semifinals, Dolehide will face countrywoman Sofia Kenin, who was a 6-4, 6-7 (6), 6-1 winner over Canada's Leylah Fernandez on Thursday.

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Persons: Belgium's, Minnen, Venus Williams, Shannon Stapleton, Kazakhstan's Yulia Putintseva, Putintseva, Tatjana Maria, Lucia Bronzetti, Magda Linette, Rebeka, China's Xiyu Wang, Wang, Linette, Caroline Dolehide, Martina Trevisan, Dolehide, Trevisan, countrywoman Sofia Kenin, Canada's Leylah Fernandez, Maria Sakkari, Colombia's Emiliana Arango, Caroline Garcia of Organizations: Tennis, U.S, REUTERS, Guangzhou, Slovakian Viktoria Hruncakova, Guadalajara Open Akron, Caroline Garcia of France, Victoria Azarenka, Thomson Locations: Flushing Meadows , New York, United States, China, Germany, Italy, Poland, Spain, Putintseva, Guadalajara, Mexico