Ademola Lookman broke the deadlock in the first half, while Osimhen extended the lead for the Super Eagles with a sumptuous goal.
Lookman’s third goal sealed the victory for Nigeria.
Lookman, recently nominated for the FIFA Balon d’Or award, was one of the Super Eagles’ best performers at AFCON 2023 earlier in the year, where his goals led Nigeria to a runners-up place.
Osimhen, who also endured a failed transfer on deadline day, culminating in the 25-year-old joining Galatasaray on loan, joined his teammates on Thursday