20-year-old Jelena Ostapenko shocked the world last month when she won Roland Garros. She entered this year's Wimbledon as a seed for the first time. In this edition of Unstrung, Jon Wertheim examines Ostapenko's young career.
Watch Unstrung: Ostapenko:
One of the most accomplished sports journalists in America, Jon Wertheim brings his unique voice and insight to his weekly feature Unstrung.