Carlos Alcaraz withdrew ahead of his second-round match against Tomas Machac Get the free Morning Headlines email for news from our reporters across the world Sign up to our free Morning Headlines email Sign up to our free Morning Headlines email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice World No 2 Carlos Alcaraz has withdrawn from the Barcelona Open after sustaining a right wrist injury, tournament organisers