BVB Dortmund head coach Thomas Tuchel was disappointed with his team's performance against Qabala, despite winning 3-1 at Bakcell Arena on Thursday.
Pierre-Emerick Aubameyang struck a hat-trick for BVB to secure the win, before Dodo scored a consolation goal for the Azerbaijani side in stoppage time.
"After making a bright start we lost our way completely," Tuchel said. "The chances they had were of our own doing, we were missing the necessary focus and venom in our challenges.
"We defended poorly in all areas, both in the switch play of our offensive ranks and the challenges themselves. We were fortunate not to fall behind tonight. That would have made the task even more difficult than it already was.
"As favourites it is extremely important to score first and not to give the opposition any chances to get so close to our goal. Having to come from behind would have been really tough for us.
"If we give our opponents as many chances on goal as we did today, they'll start to believe that it's possible to pull off an upset, that's it's possible to beat us. That's something we wanted to avoid, but we didn't succeed."
The former Mainz manager then went on to praise Aubameyang for his trio of goals, saying the Gabon international "paved the way for tonight's victory with the first and second goals".
"He could have perhaps scored a fourth or a fifth goal tonight, and the way he conducts himself on the pitch is absolutely exemplary. We can only hope that all of the others follow his lead."