U.S. Open updates: Simona Halep, Naomi Osaka advance to third round
Naomi Osaka advanced to the third round of the U.S. Open via walkover when her opponent, Olga Danilovic of Serbia, withdrew before their match.
Naomi Osaka advanced to the third round of the U.S. Open via walkover when her opponent, Olga Danilovic of Serbia, withdrew before their match.