Monaco slumped to their first Ligue 1 defeat in five games when they were beaten 2-1 at struggling Sochaux on Sunday.

The team from the principality slipped to ninth in the standings with 17 points from 12 games and trail leaders Olympique Lyon by 13 points.

Lyon thrashed bottom club Metz 4-0 on Saturday.

Promoted Le Mans continued their promising start to the season with a 2-0 win over Racing Strasbourg. Goals from midfielders Yohann Hautcoeur and Daisuke Matsui helped the side to move up to fifth on 19 points.

Strasbourg, who have not won a game this season, remain second from bottom with just six points.

Read more about AS Monaco at http://edition.cnn.com/2005/SPORT/football/10/23/france.monaco.reut/.