Lille moved just a point behind Ligue 1 leaders Marseille with a 1-0 win over Bastia, while PSG drew 1-1 at Toulouse.
Victor Montano grabbed a late winner for Montpellier in a dramatic and controversial ending to their 2-1 win over Guingamp.
Paris St Germain moved up to second in the Ligue 1 table after beating Caen 2-0, while Lyon thrashed Lorient.
Ten-man Metz secured their first away win with a 1-0 victory at struggling Guingamp.
Substitute Nabil Dirar's first-half goal gave Monaco a 1-0 Ligue 1 victory over Guingamp at the Stade Louis II.
Reigning champions Sevilla, Inter Milan, PSV and Napoli were amongst the winners in the Europa League group stage.
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