Lille moved just a point behind Ligue 1 leaders Marseille with a 1-0 win over Bastia, while PSG drew 1-1 at Toulouse.
Paris St Germain came from behind to draw 1-1 at Toulouse as they dropped more points in Ligue 1.
Toulouse brushed aside Rennes with a clinical spell of three goals in 20 minutes either side of half-time.
Marseille striker Andre-Pierre Gignac's brace in 3-0 win over Rennes lifts them to joint top in Ligue 1.
Toulouse came from behind three times to ensure a share of the points with Caen in a nail-biting 3-3 draw.
David N'Gog scored on his Reims debut as the Ligue 1 side clinched their first win of the season 2-0 against Toulouse.
Live only on