The goals of the Reds were scored by Ayoub El-Amloud (4th), Jamal Herkass (38th) and Yahya Attiat Allah (44th).
For a ticket in the finals, WAC will face ES Tunis, who advanced to the semis after a 3-0 win against Congolese TP Mazembé, Thursday at the Hamadi Agrébi stadium in Radès, overcoming their defeat at the first-leg game (1-0), last Sunday in Dar Es Salem in Tanzania.
The other semi-final will pit Egypt’s Al Ahly against South Africa’s Mamelodi Sundowns.