Cote d'Ivoire sit in pole position in Group D after defeating Mozambique 3-0 on Saturday night.
Max-Alain Gradel opened the scoring for the hosts on 10 minutes, before Maxwell Cornett and Jean Michael Seri sealed the win in the second half.
The Elephants will meet second-place Cameroon on Tuesday evening, but the Indomitable Lions have to secure maximum points if they want to advance to the final round.
Cameroon remain in contention for the play-off spot in Group D after claiming a 4-0 win over Malawi.
Vincent Aboubakar and André-Frank Zambo Anguissa put the Indomitable Lions 2-0 up in the first, before Christian Mougang Bassogog added a brace in the second half.
Zambia remain in contention for a play-off spot in Group B after thrashing Mauritania 4-0 on Saturday.
Rangers striker Fashion Sakala bagged a hat-trick after Leicester City's Patson Daka opened the scoring.
Chipolopolo sit in third spot but trail leaders Tunisia by three points ahead of their clash on Tuesday.
Equatorial moved up to second spot in Group B with a 1-0 win over leaders Tunisia.
Pablo Ganet's 83rd minute strike was enough to seal three points for the hosts, who face Mauritania in their final group game.
Nigeria will head into the final round of matches top of Group C after defeating Liberia 2-0 on Saturday afternoon.
Napoli star Victor Osimhen opened the scoring from the penalty spot on 15 minutes, before Ahmed Musa scored with a penalty of his own in second-half stoppage time.
Cape Verde Islands remain in the hunt for a play-off spot in Group C after defeating Central African Republic.
Julio Tavares and Stopira were on target to secure the come-from-behind victory on Saturday evening.
