Jack Draper proved his quality to reach the semi-finals of the US Open with a straight-sets victory over Alex de Minaur on Wednesday night, says Sky Sports expert Tim Henman.
Jack Draper is the first British male to reach a US Open semi-final since Andy Murray in 2012, having won his first Grand Slam in straight sets - yet the British No 1 told Sky Sports: "I have more levels to go".