Bianca Andreescu defeats Kristen Flipkens in straight sets to reach third round at U.S. Open
The 19-year-old from Mississauga next faces either former world No. 1 Caroline Wozniacki or American Danielle Collins.
The 19-year-old from Mississauga next faces either former world No. 1 Caroline Wozniacki or American Danielle Collins.