Andy Murray joined by Kyle Edmund in French Open second round

• Murray defeats Facundo Argüello 6-3, 6-3, 6-1
• Edmund battles to see off Stéphane Robert in five setsIf British tennis is heading ever so cautiously in the right direction, the pilot and guiding light for the foreseeable future remains the man who four years ago got lost on the Paris Métro en route to dinner with his mother.But Andy Murray might soon have for company young Kyle Edmund who late on Monday evening joined him in the second round with a rousing five-set win over the e