Osaka survives upset bid by Ukraine's Kostyuk
Fourth-seeded Naomi Osaka needed three sets to finish off Ukraine's Marta Kostyuk in their third-round match Friday at the U.S. Open at Arthur Ashe Stadium in New York City.
Japan's Osaka, the 2018 U
Fourth-seeded Naomi Osaka needed three sets to finish off Ukraine's Marta Kostyuk in their third-round match Friday at the U.S. Open at Arthur Ashe Stadium in New York City.
Japan's Osaka, the 2018 U