Lens picked up their first win of the new season with a 1-0 success at Lyon.
Monaco and Lens won 1-0 away to Nantes and Lyon respectively in Ligue 1 on Sunday, as Saint-Etienne and Rennes drew 0-0.
PSG secured their first Ligue 1 win of the season at home to Bastia, despite Zlatan Ibrahimovic picking up a knock.
Substitute Ladislas Douniama scored a last-gasp winner for Guingamp as they defeated Lens 1-0.
Lorient stunned 10-man Monaco 2-1 in Ligue 1 on Sunday, while Lyon beat Rennes 2-0.
Marcelo Bielsa's debut in the Marseille dugout was a chaotic affair as Marseille were held to a 3-3 draw by Bastia.
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