A dominant performance saw Bordeaux beat Nancy 3-0 to move two points clear at the top of the Ligue 1 table.
Fernando's goal put Laurent Blanc's side 1-0 up at the interval and they pressed on relentlessly in the second half, Wendel's solo effort and Yoan Gouffran's fierce strike earning them an emphatic victory.
Nancy rarely threatened and were grateful to keeper Gennaro Bracigliano for keeping the score down.
Lyon were forced to settle for a 1-1 draw against Rennes after narrowly failing to claim all three points in a dramatic conclusion.
Gyan Asamoah had given Rennes a first-half lead, but Lisandro Lopez levelled before the interval.
Bafetimbi Gomis' superb effort hit the bar with three minutes remaining to leave the sides level and prevent Lyon going level on points with Les Girondins.
A second-half header from Anthony Le Tallec earned Le Mans a draw at home to St Etienne in the day's other game.
Araujo Ilan had given the visitors the lead after 17 minutes but Le Tallec grabbed a point for his side with 17 minutes remaining.
On Saturday, Auxerre slipped to a 1-0 defeat against PSG thanks to a second-half goal by Jeremy Clement.
Clement struck in the 67th minute when he headed home to earn a vital victory - just PSG's third at home this season.
Lens made it three wins in succession with a dramatic 93rd-minute winner against Marseille.
The home side looked to have blown their best chance when Yohan Demont saw his 62nd-minute penalty saved by Steve Mandanda.
But Eduardo dos Santos headed home deep in stoppage time to give Lens all three points and deliver a further blow to Marseille's title hopes.
Lille claimed local bragging rights in emphatic style with a 4-0 thrashing of Valenciennes.
Pierre-Alain Frau put the home side in front just before the interval and second-half goals from Gervinho (two) and Yohan Cabaye completed the rout.
An injury-time equaliser by Kevin Gameiro secured a 2-2 draw for Lorient and denied Grenoble a deserved victory.
Lorient had led through a Bostjan Cesar own goal before Daisuke Matsui and Jimmy Juan turned the game on its head.
However, Gameiro was in the right place at the right time to hammer home a barely-deserved equaliser and rescue a point for the home side.
Sochaux pulled off a wholly undeserved 1-0 win over southerners Nice as a controversial goal decided a game in which the visitors dominated.
After being largely outclassed in the opening stages, Sochaux went in front in the 28th minute as Yassin Mikari's shot hit the bar, bounced down and then out with the referee awarding the goal.
Mohamed Fofana's first-half goal was enough for Toulouse to get back to winning ways with a 1-0 win at home to Boulogne.