On 1 August 2010, during Mönchengladbach's arranged friendly match versus Liverpool as part of their 110th anniversary celebrations at Borussia Park, Matmour took advantage of some poor play by Daniel Ayala inside the area and produced a powerful finish in the eighth minute.
On 1 July 2011, Matmour signed a one-year contract, with Eintracht holding the option of a further two-year extension.