Bordeaux moved above Lyon at the top of Ligue 1 on goal difference as Caen beat Le Havre in a relegation six-pointer.
Toulouse remain in the title race after a home win over struggling Nantes, while Le Mans and Nancy secured important victories.
A 2-0 win at Auxerre enabled Bordeaux to jump to the summit, although their stay could last only 24 hours.
Fernando Menegazzo headed home on 34 minutes after a corner from Wendel, who made the game safe 10 minutes from time after Marouane Chamakh helped on a free-kick.
Toulouse are just three points behind the leaders after Andre-Pierre Gignac clinched a 1-0 success over Nantes.
The only goal arrived on 53 minutes when Daniel Braaten teed up Gignac, who made his France debut last week, to score.
Caen climbed out of the bottom three after a 2-1 win at bottom club Le Havre, who are now 10 points from safety.
The visitors opened the scoring on 19 minutes through Steve Savidan, only for Le Havre to level four minutes before half-time through Amadou Alassane.
After a tense second half, Caen stole the points three minutes from time when Reynald Lemaitre headed home Juan Eduardo Eluchans' corner.
Rennes remain in contention for a European place after a battling 1-0 home win over struggling St Etienne.
The visitors hit the bar through Mouhamado Dabo on 19 minutes before Rennes' Jerome Leroy struck the post just past the half-hour mark.
The decisive moment came five minutes into the second half when Rennes broke and Moussa Sow crossed for Romain Danze to head home.
Nancy scored twice in stoppage-time to claim a dramatic 2-0 home success over mid-table Valenciennes.
It was not until the first minute of injury-time that Nancy nosed ahead when Damian Macaluso nodded home after Benjamin Gavanon's free-kick had been saved.
And, in the third minute of time added on, Youssouf Hadji scored from the penalty spot after Mody Traore had been penalised for handball.
Le Mans were also 2-0 home winners, as Roland Lamah and Modibo Maiga netted against Sochaux.
Lamah's low shot into the bottom corner broke the deadlock on 35 minutes and substitute Maiga wrapped up the win three minutes from the end.
Loic Remy struck twice in the space of two second-half minutes as Nice overcame Lorient 2-0 at home.
Remy fired home on 58 minutes from Gerald Cid's pass and repeated the trick on the hour mark after being played in by Chaouki Ben Saada.