Mon, 15 Apr 2019 11:24 - Sports
The sole goal was scored by Osvaldo at 32 minutes.
Still for group A, Nigeria beat the host team by 5-4.
The competition proceeds on Monday with group B matches, namely Guinea versus Cameroon and Morocco versus Senegal.
Angola is scheduled to play again on Tuesday, with Nigeria.
Mali are the defending champions, a title won in 2017 in Gabon.