Zamalek were held to a goalless draw by Al Ahli Tripoli in a 2017 CAF Champions League clash played at the Stade Taïeb Mhiri in Sfax, Tunisia on Tuesday evening.
The game got off to a lively start with White Knights midfielder Shikabala missing a chance at the one end, and El-Shenawy forced into a top save at the other within the opening 10 minutes.
The Libyans then went even closer in the 35th minute as they struck the woodwork.
But, despite chances at either end of the park the game would be deadlocked at 0-0 after the opening stanza.
Zamalek had a great chance to grab all three points in the dying exchange of the encounter.
Nigerian forward Stanley Ohawuchi, who scored in last year's final, squandering a gilt-edged chance three minutes from time.
USM Alger will be out to regain top spot in Group B when they take on CAPS United in Zimbabwe tomorrow afternoon.