Live updates from Monday’s fourth-round action Djokovic exits to boos after retiring against Wawrinka Get in touch: email Nick or tweet @NickAmes82 3.27pm BST Play in the Vekic-Gorges match starts in around about 40 minutes. You can send in your emails and tweets to the addresses above if you’d like...

Stan Wawrinka was leading match 6-4, 7-5, 2-1 Serbian world No 1 suffering with shoulder complaint Novak Djokovic’s US Open title defence came to a halt on Sunday when the Serb retired from his fourth-round match against Stan Wawrinka due to a shoulder injury. Wawrinka was leading 6-4, 7-5, 2-1...