The holding midfielder picked up the injury in training on Tuesday. Initial diagnosis indicated that he will be sidelined for around a week.

Ahli doctor Walid Abdul-Baqi told the club's official website that Ashour is set to undergo medical tests on Wednesday, which will determine the full extent of the injury.

However, Abdul-Baqi stated that the 24-year-old is not likely to be fit for the anticipated match against the Dervishes.

Holders Ahli lie second in the league table with 18 points, five ahead of ninth-placed Ismaili.