Rohr will be in Gabon to spy on Nigeria’s World Cup rivals Cameroon and Algeria.
The Super Eagles will face Cameroon in a crucial double header from August 2017 with Nigeria hosting the first leg in Uyo.
Nigeria lead their qualifying group on six points from two matches, while Cameroon are second with two points.
Zambia and Algeria are on a point each.
Nigeria are due to play a series of friendlies as part of their preparations for the World Cup qualifiers in March.