Jannik Sinner and Jack Draper out of US Open as injuries take their toll

World No 1 makes ‘difficult decision’ to miss slam Draper still recovering from bone bruise in left arm Jannik Sinner will miss the US Open with a right knee injury. The world No 1 has not played a match since beating Alexander Zverev last month to successfully defend his Wimbledon title, missing the Masters 1000 events in Canada and Cincinnati. Great Britain’s Jack Draper is also out of the…