Victor Osimhen was on target as Galatasaray held AZ Alkmaar to a 2-2 draw in the second leg of their playoff tie on Thursday night.
Galatasaray lost the first leg 4-1 and needed to score four goals without conceding to secure a place in the Round of 16.
Okan Buruk’s side, however, fell behind three minutes before the break.
Danso Kasius doubled AZ Alkmaar’s advantage 10 minutes into the second half.
Osimhen reduced the deficit for the hosts in the 56th minute.
It was the Nigeria international’s 20th goal across all competitions for the Yellow and Reds this season.
Roland Sallai equalised for Galatasaray 20 minutes from time.