Carlo Ancelotti wants Paris Saint-Germain to focus on winning a domestic double following their Champions League exit.
Relegation-threatened Brest slumped to a fourth successive defeat as Florian Thauvin scoring twice in Bastia's 4-0 victory.
Paris St Germain warmed up for Wednesday's Champions League second leg against Barcelona with a 2-0 victory in Rennes.
Rennes midfielder Alou Diarra has targeted a return to winning ways against Ligue 1 leaders Paris Saint-Germain.
Brest have sacked coach Landry Chauvin after the club slipped into the Ligue 1 relegation places.
Marseille moved up to second place in Ligue 1 as they beat Nice 1-0 and Lyon were beaten by Sochaux.
Lille maintained their push for a Champions League spot after beating struggling Brest 2-1 at the Stade Francis-Le Ble.
Marseille president Vincent Labrune reacted with fury after his club's supporters were banned from travelling to Nice.
Lorient answered coach Christian Gourcuff's complaints about conceding late goals by thrashing Brest 4-0.
Lyon's Ligue 1 title hopes took a hammer blow in a 4-1 defeat to Bastia, while Lille lost 2-1 to Evian on Saturday.
The top three in Ligue 1 are all in action on different days this weekend meaning leaders PSG could come under pressure.
Zlatan Ibrahimovic scored twice as Paris Saint-Germain saw off Nancy 2-1 in Ligue 1, while Lille beat Valenciennes 3-1.
Brest are still looking over their shoulder at the Ligue 1 relegation zone after losing 1-0 at home to Toulouse.
Champions League quarter-finalists PSG return to Ligue 1 action against Nancy at the weekend, while Lyon host Marseille.
Lyon drew 1-1 with Brest in Sunday's Ligue 1 action, while Marseille and Lille both secured 2-1 victories.
Lyon were unable to pick up the win they needed to move level with PSG at the top of Ligue 1 after drawing 1-1 at Brest.
Reims coach Hubert Fournier believes the pressure will be off his struggling team when they face PSG this weekend.
Two goals from Zlatan Ibrahimovic saw PSG through to the last eight of the Coupe de France at the expense of Marseille.
David Beckham tasted victory on his PSG debut against Marseille, with Lyon also winning in Ligue 1 on Sunday.
Bordeaux suffered a Europa League hangover in a disappointing 2-0 defeat at home to lowly Brest.