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 event