 At the end of the 2009–10 season, Matmour went on to make 27 appearances and scoring once in all competitions.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.They won the contest thanks to Matmour's goal, with the final score being 1–0.