Victor Osimhen was on target as Galatasaray defeated Istanbul Başakşehir 3-0 at the RAMs Park on Saturday.
Ivory Coast international Wilfried Singo gave Galatasaray the lead in the 57th minute.
Osimhen doubled the home team’s advantage nine minutes later.
He was replaced by Mauro Icardi 15 minutes from time.
The striker has now scored 19 goals and contributed five assists in 28 appearances this season.
Substitute Renato Nhaga added the third for the hosts six minutes from time.