Wydad Casablanca were unable to return to the CAF Champions League final as Al Ahly comfortably triumphed in their final-four clash.
Al Ahly saw off Wydad Casablanca 2-0 on Saturday in the first leg of their CAF Champions League semi-final tie.
CAF's Executive Committee does not have the authority to order the Champions League final to be replayed, according to CAS.
ES Tunis and Wydad Casablanca will meet again in a replayed second leg of the CAF Champions League final.
Wydad Casablanca refused to complete the CAF Champions League final, with an emergency meeting now called to discuss the issue.
After an extraordinary second leg that was cut short, ES Tunis defended their CAF Champions League title.
The Confederation of African Football has given World Cup match official Gehad Grisha a lengthy ban.
Cheick Comara's 79th-minute equaliser left the CAF Champions League decider poised ahead of the return leg on May 31.
ES Tunis will have the chance to defend their CAF Champions League title after overcoming TP Mazembe on Saturday.
Wydad Casablanca will take a 2-1 lead into the second leg of their CAF Champions League semi-final against Mamelodi Sundowns.