The Nigeria world opened scoring for Okan Buruk’s facet after 12 mins.
Osimhen has now registered 9 objectives and 3 assists in 8 league appearances for the Yellow and Reds this season.
The 27-year-old used to be changed via Deniz Gul one minute after the hour mark.
Yunus Akgün, Aleksey Batrakov, and Rafael Leão scored the opposite objectives for Galatasaray.
Konyaspor fielded Nigerian defender Chidozie Awaziem for all of the period of the sport.
Galatasaray will now shift consideration to their UEFA Champions League conflict in opposition to VfB Stuttgart subsequent Tuesday.