Two more teams can book their places at the 2017 Africa Cup of Nations finals in Thursday and Friday’s qualifiers.
Algeria needs just a draw in Seychelles on Thursday while Cameroon requires a win in Mauritania the next day to qualify for Gabon.
Tunisia will lose the chance of winning Group A if Djibouti beat them on Friday and Liberia beat Togo on Sunday.
The other game on Friday is Libya playing Morocco, who has already qualified for the finals in Gabon.
Twenty more matches over the weekend complete the penultimate round of qualifiers.
The group winners and the best two runners-up will qualify for the finals.
Before the upcoming qualifiers, Benin is the best second-placed side with eight points, while Tunisia, Mauritania, Uganda, Central African Republic all has seven.
However Benin is currently serving a global ban from football imposed by FIFA and if that sanction is not lifted before their match against Equatorial Guinea they will be eliminated from the qualifiers.
On Friday, Cameroon could also join Morocco and hosts Gabon at the 2017 Nations Cup if they can win in Mauritania.
The Indomitable Lions are currently one point ahead of their opponents after the first four matches of the campaign.
Tunisia also play on Friday knowing they could lose the chance of winning Group A if they lose in Djibouti and then Liberia secure a win over Togo on Sunday.