Inside Jack Draper's family: Inspired by his Alzheimer's-stricken 'nana', with a former tennis chief dad and ex-junior star mum, the British No1 is aiming to prove he's Andy Murray's heir after storming into US Open quarter-finals

The British No1 will play Australia's Alex de Minaur for a place in the last four later today, and has enjoyed stepping out of Andy Murray's shadow and into the spotlight over the past 10 days.