Jack Draper clinches place in maiden Grand Slam semi-final with brilliant display

Briton beats 10th seed Alex de Minaur 6-3 7-5 6-2 in US Open quarter-finals

Big-serving Draper, 22, reaches last four without dropping a set in five matches

He will face world number one Jannik Sinner or 2021 champion Daniil Medvedev on Friday - they play in second match of Wednesday's night session