Michelle V. Agins/The New York Times
It will be the teen prodigy Bianca Andreescu against the former teen prodigy Belinda Bencic in the semifinals of the United States Open on Thursday night.
Neither has been this deep into a Grand Slam tournament before, and Andreescu, a 19-year-old from Canada, had never even played a main-draw match at the U.S. Open until this year.
“This is honestly so crazy,” the 15th-seeded Andreescu said after her 3-6, 6-2, 6-3 quarterfinal victory over Elise Mertens on Wednesday night. “A year ago, I was in the qualifying round. I remember I was suffering from a back injury, and now what I’ve accomplished this year, I’m honestly speechless.