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) winTiafoe into third US Open semi-final in five yearsAmerican will play Alcaraz or Shelton in last fourAt 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 younger countryman in an embrace and held him there, the victor consoling the vanquished in the aftermath of an extraordinary comeback that had carried him, somehow, into the US Open semi-finals.Only a couple of hours earlier, the 28-year-old Tiafoe had been two sets down and two points from elimination in the third set, with Michelsen seemingly bound for the biggest victory of his young career. Instead, T