Chelsea, who are also the defending champions of the Champions League, beat French club Lille 2-1 to make it 4-1 overall.
Chelsea beat Lille 2-0 in the first league.
Christian Pulisic and Cesar Azpilicueta scored a goal each for Chelsea in the 2-1 draw in the second league. Similarly, Burak Yilmaz scored a goal for Lille through a penalty.
The early lead in the game was taken by the French club. Yilmaz scored from the penalty spot in the 38th minute of the match. The English club equalized the game by scoring during the injury time of the first half.
In the 71st minute of the game, Azpilicueta gave Chelsea the lead by scoring a goal. After both sides failed to score in the game, Chelsea won the game.