Tiafoe completes epic comeback to break Michelsen’s heart at US Open

No 11 seed rallies for 5-7, 3-6, 7-5, 6-3, 7-6 (6) win Tiafoe into third US Open semi-final in five years American will play Alcaraz or Shelton in last four At the end of more than four and a half hours of escalating drama inside the world’s biggest tennis stadium, a devastated Alex Michelsen fell into Frances Tiafoe’s arms just outside the tramlines, sobbing uncontrollably.

Tiafoe took his…