kalou and chelsea began the season in winning form, beating manchester united to lift the community shield with kalou scoring the winning penalty. kalou scored his first goal of the 2009–10 season against queens park rangers at stamford bridge in the third round of the league cup, earning his team a deserved 1–0 victory. on 12 october 2009, kalou signed a three-year contract extension with chelsea, keeping him at the club until the summer of 2012. he celebrated his new contract with an excellent brace against atlético madrid in the champions league, helping chelsea maintain their perfect record in the competition. kalou continued his good form scoring a header in the 4–0 win against bolton wanderers in the league cup. he also netted in the blues' league cup loss to blackburn, but it was his last goal for two months until he broke the duck against cardiff city in the fa cup on 13 february 2010.