Hatem Ben Arfa proved a point to manager Unai Emery with two goals and an assist as Paris Saint-Germain cruised into the Coupe de France semifinals.
Ligue 1 leaders Monaco will face a trip to Marseille in the Coupe de France round of 16.
Julian Draxler scored twice as Paris Saint-Germain beat Rennes in the Coupe de France. Monaco are still alive after surviving against Chambly.
Radamel Falcao scored his seventh goal in the past five games as Monaco beat second-tier Ajaccio 2-1 to reach the fourth round of the Coupe de France.