Chelsea beat Manchester United to lift the 2009 FA Community Shield, with Kalou scoring the winning penalty. He 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 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 brace against Atlético Madrid in the Champions League, helping Chelsea maintain their perfect record in the competition.