Zamalek dropped two important points after being held to a goalless draw by El Gaish on Monday.
The draw will set the Egyptian Premier League on fire. Ahly, who are chasing a seventh consecutive league win, can move two points clear at the top if they beat ENPPI on Tuesday.
El Gaish moved up with 31 points on 10th place.
Watch hightlights of the game here:
[youtube]5uxQVAMKo5M[/youtube]