Andy wins 18th stage of Eurosport on Col du Galibier . Schleck closes to within 15 seconds of race leader Thomas Voeckler of Paris . Andy Schleck 's brother takes second on the stage to improve to second overall . Defending champion Both the Schlecks will be looking to pick up further time on Evans , who is a stronger time trialist , ahead of Saturday 's individual test against the clock over 42.5km in Grenoble . Alberto Contador loses time on the final climb .
Andy wins 18th stage of Eurosport on Col du Galibier . Schleck closes to within 15 seconds of race leader Thomas Voeckler of Paris . Andy Schleck 's brother takes second on the stage to improve to second overall . Defending champion Alberto Contador loses time on the final climb .