St Etienne ended a run of successive scoreless league defeats with a comfortable 3-0 win against Guingamp despite being reduced to 10 men late on.Romain Hamouma's strike early in the second-half, after a fortuitous defence touch left the Les Verts' midfielder with just Jonas Lossl to beat, set the hosts on their way to victory.Valentin Eysseric doubled the hosts lead with an 87th minute penalty, after Dorian Leveque fouled Hamouma inside the area, before Moustapha Bayal Sall was shown a second yellow card.There was still time for St Etienne to add a third, though, deep into added time when substitute Nolan Roux secured the points after being teed up by Eysseric.