Nantes kept a third straight clean sheet as their unbeaten start to the season continued with a 1-0 win against Reims.The hosts largely dominated and could easily have broken the deadlock but Kolbeinn Sigthorsson fired over before Johnny Placide superbly denied Johan Audel.Then, with just less than quarter of an hour to play, Nantes got their reward when Ermir Lenjani beat Placide from a tight angle after latching on to Audel's pass.Defeat for Reims brought an end to their impressive start to the season following wins against Bordeaux and Marseille.