The tie between Enyimba and Horoya is still in the balance after the sides played to a 1-1 draw in the quarter-final first-leg at Enyimba International Stadium.
Augustine Oladapo got the opener for the Nigerian side in the first stanza but Boniface Haba snatched the equaliser for the visitors in the last 19 minutes and also a crucial away goal ahead of the second-leg in Guinea in a week's time.
Pyramids have one foot in the semi-finals after thrashing Zanaco 3-0 in thei first-leg encounter at the National Heroes Stadium in Lusaka.
Ali Gabr, Mohamed Farouk and Abdallah Said were on target for the Egyptian side, who take a huge advantage of three away unanswered goals to the second-leg on home soil next Sunday.
Hassania Agadir are virtually through to the semi-finals after hammering Al Nasr 5-0 in the quarter-finals, first-leg courtesy of a hat-trick by Karim El Berkaoui at Petrosport Stadium.
El Berkaoui netted twice in the first stanza and completed his hat-trick early in the second stanza while Malick Cisse scored a late brace to complete the rout for the Moroccan side.
RS Berkane gained the advantage after holding EL Masry to a 2-2 away draw in the quarter-final, first-leg at Suez Stadium.
Moftah Taktak and an own goal by Zouhair Laaroubi gave El Masry their two goals but a brace by Mouhssine Iajour for Berkane shifted the tie in the Moroccans' favour, who will host the second-leg next Sunday having the advantage of two away goals.