18-year-old Emma Raducanu hugs her US Open Championship trophy (Credit: Darren Carroll/USTA)

The 2021 US Open Women's Singles final between 18-year-old Emma Raducanu and 19-year-old Leylah Fernandez was one of the most anticipated Grand Slam tournaments in recent history. It was the first all-teenage final since the 1999 US Open and the first major final — men or women — since 1968 to feature two unranked players.