Benoit Cheyrou hit the winner as Marseille came from a goal down to win 2-1 at Rennes.
Tongo Hamed Doumbia had put Rennes ahead (14), but Onyekachi Apam put through his own goal a minute before the break.
That set the stage for Cheyrou to score with 13 minutes left, putting Marseille up into fifth and ahead of their hosts.
Evian were left to rue Yannick Sagbo's penalty miss as they played out a goalless draw with Bordeaux in Ligue 1 on Sunday.
Sagbo's spot-kick was saved by Cedric Carrasso midway through the second half in the game's key moment as both sides struggled to create chances.
Bordeaux's scoring deficiencies were exposed again as they remained four points ahead of their opponents and closer to the relegation zone than the Europa League.
Christian Kinkela scored a last-minute winner as Ajaccio's superb mid-season form continued with a 2-1 victory at Valenciennes to lift them out of the relegation zone.
This fourth straight win - and their fifth game without defeat - has seen them reach 21 points and climb to 15th in the table, putting them ahead of their opponents on Sunday.
Eduardo scored their first goal after six minutes but, when Vincent Aboubakar levelled and Ajaccio had Paul Lasne sent off, a defeat looked a stark possibility.
But Kinkela had other ideas, scoring in injury time to give his side a vital three points.
On Saturday, Milan Bisevac's early goal proved enough for Paris St Germain to maintain their three-point lead at the top with a 1-0 victory at Brest.
The Serbia centre-back converted Christophe Jallet's corner in the sixth minute to maintain their three-point lead over Montpellier, who won by the same margin at Nice thanks to a last minute winner from Olivier Giroud - who had earlier missed a penalty.
Third-placed Lille were convincing 3-0 winners over St Etienne, with all the goals coming in the second half.
Eden Hazard broke the deadlock from the penalty spot five minutes into the second half, before Nolan Roux netted twice in the last four minutes.
Goals inside the last nine minutes from Bafetimbi Gomis and Alexandre Lacazette gave fourth-placed Lyon a 3-1 victory over Dijon.
Jimmy Briand gave the home side a lead before Younousse Sankhare equalised on the hour for Dijon, who missed an early penalty and also struck the post with the scoreline at 1-1.
Three goals in 10 second half minutes from Yohan Mollo and Daniel Niculae (2) gave Nancy a 3-1 win at Auxerre, who replied late on through Edouard Cisse.
Sochaux's search for a win goes on - but Cedric Bakambu's equaliser 10 minutes from time gives them hope in their quest to end their slump down the table.
Alaixys Romao looked set to continue the misery for the visitors when he opened the scoring for Lorient just past the hour mark at Stade du Moustoir - but Bakambu's eye-catching goal averted a fifth successive defeat for Les Lionceaux with a 1-1 draw.
Emmanuel Riviere's scrappy first-half strike earned Toulouse a 1-0 victory over visitors Caen.