US Open semifinals 2026: Updated bracket, schedule, men's and women's matchups

The 2026 US Open semifinals are set after a dramatic quarterfinal round that featured the longest match in the tournament's history. American Ben Shelton defeated defending champion Carlos Alcaraz in a five-set thriller lasting four and a half hours, finishing after 3 a.m. in New York. The men's semifinals will feature an all-American matchup between Shelton and Frances Tiafoe, who defeated fellow American Alex Michelsen in his quarterfinal, guaranteeing a US player in the men's final.