Two teenagers will contest Saturday's women's singles final at the US Open for the first time in 22 years after 18-year-old qualifier Emma Raducanu outwitted Maria Sakkari to set up a showdown with 19 year-old Leylah Fernandez. Hours after Fernandez had dispatched the second seed Aryna Sabalenka in three sets, Raducanu swept past the 17th seed from Greece 6-1, 6-4 to continue her remarkable run in New York.