US Open: Dominic Thiem moves into the semi-finals with a clear three-set success over Alex de Minaur

Dominic Thiem is in the semi-finals of the US Open for the first time in his career. The Austrian defeated Alex deMinau r in the round of the last eight with 6: 1, 6: 2 and 6: 4. ( You can read the game here in our live ticker. )