The Nigerian Super Eagles qualified for the round of 16 on Monday as they defeated their Guinea Bissau counterparts with a lone goal.
It was an encounter that saw many goals chances but which each side failed to convert.
With the outcome of the encounter, Equatorial Guinea finished as Group A winners, with Nigeria second, both with seven points, while the Elephants have to wait for the rest of Matchday 3 matches to determine if they will continue in the tournament.