The Flying Eagles will play two warm-up matches against U20 African Cup of Nations qualifier and host Niger as part of their build-up for the sub-regional tournament.
Officials said the first match would be on April 30, while the second will be on May 1 with both games to be played in Niamey.
The Flying Eagles will depart Abuja on Thursday for Niger Republic.
The qualifying tournament, which will produce two teams for the U20 AFCON in Egypt early next year, will kick off on May 7.
Niger is in Group A along with Cote d’Ivoire, Togo and Benin Republic, while Nigeria is pitched against defending champions Ghana and Burkina Faso.
The tournament ends May 20.