Rennes ended a five-match Ligue 1 winless streak with a 2-0 victory at Guingamp on Saturday night.Ousmane Dembele scored the opening goal of the game shortly after the hour mark with a cool finish after he was played through by Giovanni Sio.And Dembele soon turned the provider for Sio, who doubled the away side's advantage with 13 minutes left.The victory takes Rennes up to sixth in the Ligue 1 standings with Guingamp - who have recorded just one victory in their last 11 league outings - remaining in 18th.ends