In more recent times, CSS reached the final of the CAF Champions League 2006 but were beaten with a late second leg goal condemning them to a 2–1 aggregate defeat against Al Ahly of Egypt.

In September 2014, CSS reached the semi-finals of the CAF Champions League 2014 but they were beaten with a 2–1 score in both away and home matches against AS Vita Club.

A 4–2 first-leg victory in Sudan against Al Merreikh preceded a 1–0 second leg win, with CSS lifting the trophy in front of their own fans at the Stade Taïeb Mhiri.

In November 2008, CSS faced local rivals Etoile du Sahel (ESS) in the final of the CAF Confederation Cup.

[2] In 2013, CSS won CAF Confederation Cup for the 3rd time in their history facing TP Mazembe in the final with 2–0 in Rades then a 2–1 defeat in Lubumbashi with a late goal from Fakhreddine Ben Youssef.

The SOCIOS-CSS network is represented abroad by SOCIOS CSS INTERNATIONAL, a French association under the 1901 law, number W751189505, based in France.

The funds collected by this association are the property of Club Sportif Sfaxien and will be managed within the framework of the SOCIOS-CSS network concept.