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.
Ivory Coast coach Francois Zahoui is in a ruthless mood ahead of Monday's AFCON clash with Group B rivals Angola in Malabo.
Sudan twice came from behind to seal a 2-2 draw with Angola and claim their first point of this year's African Cup of Nations.
Sudan will be desperate to bounce back from a defeat in their opening Group B game when they face in-form Angola on Thursday.
Manucho netted an impressive long-range strike to hand Angola victory over Burkina Faso in their Africa Cup of Nations Group B clash.
Burkina Faso and Angola get their Africa Cup of Nations campaigns up and running on Sunday when they clash in their Group B opener.
Angola are just one of 16 teams set to contest the 2012 AFCON finals. This way for a full overview of Lito Vidigal's squad.
Ahead of Saturday's big kick-off in the AFCON read our guides for each of the 16 participating nations.
Mexico continued their preparations for this summer's World Cup with a 1-0 win over Angola in Houston.
Ghana dumped hosts Angola out of the African Nations Cup to become the first side through to the semi-finals.
Angola and Algeria both made it through to the quarter-finals of the Africa Cup of Nations thanks to a goalless draw in Luanda.
Second half goals from Manucho and Flavio gave African Cup of Nations hosts Angola a 2-0 win over Malawi.
Mali came from four goals down to earn a sensational late draw with hosts Angola in the opening game of the African Cup of Nations.
The Black Antelopes will be looking to give a good account of themselves as the host nation.
African Nations Cup hosts Angola extended their unbeaten run to nine matches as they drew 0-0 with Ghana.