
The 15-year-old was down a set and two match points, but she defeated Slovenia's Polona Hercog to advance to the tournament's round of 16. She is the youngest woman to advance this far since 1991.
(Image credit: Ben Curtis/AP)

The 15-year-old was down a set and two match points, but she defeated Slovenia's Polona Hercog to advance to the tournament's round of 16. She is the youngest woman to advance this far since 1991.
(Image credit: Ben Curtis/AP)