All four matches so far have been 1:1, meaning lots will be drawn to decide the qualifiers if Wednesday's matches are identical draws.
Max Gradel struck late to earn Ivory Coast a draw with Mali and keep alive their hopes of reaching the Africa Cup of Nations quarter-finals.
Gyan scores late winner on return from malaria
Senegal took top spot in Africa Cup of Nations Group C after coming from behind to hold South Africa.
Cape Verde and DR Congo play out draw.
Tunisia come back to beat wasteful Zambia.
Burkina Faso held by hosts in stalemate
Congo win first Nations Cup match since 1974.
Saudi Arabia vs Egypt 2:1
Goals Saudi Arabia
45’ Goal Salman Al-Faraj (45+6)
66’ Goal Salman Al-Dawsari (90+5)
Goal Egypt
22’ Goal Mohamed Salah
SQUADS
Egypt Saudi Arabia
Egypt
Saudi Arabia