Wilfreid, twice, and Dasfaa scored the goals for Inter while Nelito and Amaro reduced the deficit.
With this victory, Ivo Campos and pupils have the possibility to save the sportive season.
In the other semi-final, in the Angolan soccer derby, Petro de Luanda, once again, got the better of 1.º de Agosto, by 2-0, after having beaten, in June, the same opponent, 3-0, in a game of the 24th round of the Angolan soccer championship.
Maya, at 16 minutes, and Yano, at 86, secured the final for Petro, which faces in the final Interclub, in a match scheduled for July 24, at the 11 de Novembro stadium, in Luanda.