The Egypt keeper took no part in Monday's training session as he was given a break and trained separately the next day.
Al-Sayed will undergo medical examinations on Wednesday that will determine whether or not he's fit for the upcoming game.
Head coach Hossam Hassan announced a 20-man squad for the MCDR match.
Outcasts Hani Saied, Sabri Rahil and Ahmed Ghanem were – as usual – excluded due to technical reasons. Ahmed Samir was left out through injury.
Zamalek's squad:
Goalkeepers: Abdul-Wahed Al-Sayed, Mahmoud Gensh, Mostafa Abdul-Satar
Defenders: Mahmoud Fathallah, Mohamed Youness, Amr Al-Safti, Omar Gaber, Hazem Emam, Mohamed Abdul-Shafi
Midfielders: Hassan Mostafa, Ibrahim Salah, Ashour Al-Adham, Ahmed Tawfik, Mohamed Ibrahim, Hussein Yasser, Alaa Ali, Shikabala
Strikers: Ahmed Gaafar, Amr Zaki, Mohamed Aoudia