Host nation Egypt were shocked by South Africa on Saturday as Thembinkosi Lorch scored a late winner in the last-16 encounter.
Mohamed Salah scored twice for Egypt in the group stage and is now carrying the hopes of a nation as the AFCON hosts take on South Africa.
Egypt have yet to concede a goal at the Africa Cup of Nations and their defence was in good form once more in a 2-0 victory over Uganda.
Amr Warda's return to the Egypt set-up will not derail their bid for an eighth AFCON title, according to boss Javier Aguirre.
Mohamed Salah got off the mark in the 2019 Africa Cup of Nations, as Egypt beat DR Congo to book a place in the knockout phase.
Africa Cup of Nations hosts Egypt had to work hard for victory last time, and Javier Aguirre may try a different approach against DR Congo.
With Zimbabwe goalkeeper Edmore Sibanda in fine form, Egypt had to settle for a 1-0 win in the opening match of the Africa Cup of Nations.
Egypt boast a superb AFCON record on home soil and Mohamed Salah's presence means expectations are high as they prepare to face Zimbabwe.
Egypt captain Ahmed Elmohamady feels Mohamed Salah is among the best three players in the world.
Mohamed Salah put right Champions League wrongs with Liverpool last month and he will look to do the same with Egypt at the 2019 AFCON.