Minnows Cape Verde scored twice late on to stun Angola 2-1 and seal their spot in the African Nations Cup last eight.
Cape Verde coach Lucio Antunes has warned his side should not be underestimated ahead of their clash with Angola.
Hosts South Africa got their Africa Cup of Nations campaign up and running with a comfortable 2-0 victory over Angola.
Angola and Morocco played out a 0-0 draw to cap a disappointing opening day's action at the Africa Cup of Nations.
Benin produced the shock result of Sunday's African World Cup qualifiers as they beat Mali 1-0 in Group H.
Emmanuel Eboue and Bony Wilfried scored the goals which saw Ivory Coast go through to a quarter-final meeting with Equatorial Guinea.