Cincinnati Open khelh mekah Second seed Simona Halep chuan 6-4, 6-3-a 15th seed Anastasija Sevastova hnehin Quarterfinal a thleng.
Halep hian Quarterfinal-ah seventh seed Johanna Konta a hmachhawn dawn a, Konta hian 6-3, 6-4-in Dominika Cibulkova a hneh a, Sixth seed Caroline Wozniacki pawhin Australian qualifier Ashleigh Barty chu 6-4, 6-2-in a hneh bawk.
Mipa lamah seventh seed Grigor Dimitrov chuan vawi ruk a hmachhawnnaa a vawi khatna atan Argentine Juan Martin del Potro a hneh ve ta a, Quarterfinal-ah Japanese Yuichi Sugita a hmachhawn dawn a, Third seed Dominic Thiem pawhin David Ferrer a hmachhawn dawn a, American John Isner pawnin a hnampui Jared Donaldson a hmachhawn dawn bawk a ni.