(Reuters) - Emma Raducanu's U.S. Open victory is among the "greatest achievements" in women's sport, men's world number eight Dominic Thiem said.

The 18-year-old Briton stunned the sports world https://www.reuters.com/lifestyle/sports/new-york-minute-everything-changed-us-open-champion-raducanu-2021-09-12 by beating fellow teenager Leylah Fernandez to become the first qualifier to win a Grand Slam title. Raducanu also became the first British woman to win a Grand Slam singles title for 44 years.