Defending champions, Chelsea sustained their hope of coming tops in Group H with a slim 0-1 victory of Swedish side Malmo FF.
The Blues are now on nine points same as group leaders Juventus, who will take on Russian side Zenit St Petersburg later.
After a goalless first half, Hakim Ziyech scored the only goal of the match to give the visitors all the three points.
In another early kick off Wolfsburg defeated RB Salzburg 2-1.