Teungueth's 3-1 penalty shootout win after the game ended 0-0 in terrible waterlogged conditions proved historic as their first qualification for the group stage in the club's history.
It also marked the first time a Senegalese side advanced to this stage of the competition since 2004 in one of the biggest upsets of African football in recent memory.
Last season's semi-finalists who lost captain Badr Banoun to Al Ahly in the off-season were made to rue their missed chances in the first-leg tie as the conditions made it nearly impossible to gain fluency at the Mohamed V Stadium.
In what marked a historic evening for the Senegalese outfit, all eyes will be on Wydad Casablanca this evening who face Mali giants Stade Malien in similar conditions at the same venue.