Ten-man Paris St Germain slumped to their second defeat of the season as they were beaten 2-0 at Toulouse.
Reigning champions Paris Saint-Germain cruised to a 3-0 win over Dijon which moves them top of Ligue 1.
Thomas Lemar fired a late double as Monaco moved three points clear of PSG at the top of Ligue 1 with a 3-0 win against Rennes.
Monaco returned to the top of the Ligue 1 table thanks to a thumping 4-1 win in Lille on Saturday.
Paris Saint-Germain suffered their first league defeat since March as Monaco struck an early blow in the Ligue 1 title race.
Gabriel Boschilia's strike gave Monaco a 1-0 win at Nantes on Saturday.