Ahly's doctor Ihab Aly revealed on Sunday that team's defender Sherif Abdel-Fadil suffer a hamstring strain and the player will undergo scans to decide his fate.
Abdel-Fadil exited Sunday's Ahly 1-1 draw against Zamalek in the 25th minute of the game after failing hamstring pain.
"Abdel-Fadil suffers hamstring strain," Ihab Aly told Ahram Online on Sunday.
"Scans will reveal the injury's extent and we hope that it will be a mild injury and he will be fit before the competition's semi-finals,"' he added.
Ahly will face the Nigerian Sun Shine stars between 5 and 7 October in the first leg of the CAF Champions League' semi-finals.
The second leg is scheduled between 19 and 21 of the same month.
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