The 2005/2006 season for Olympique de Marseille was a challenging one, characterized by mixed performances both domestically and in European competitions. Here's an overview:

1. Ligue 1 Campaign: Marseille had a decent performance in Ligue 1 during the 2005/2006 season. Managed by Jean Fernandez and later Albert Emon, they finished the league season in fifth place. Marseille showed flashes of brilliance throughout the season but struggled with inconsistency, particularly in their away matches, which ultimately impacted their league standing.

2. UEFA Cup: In the UEFA Cup (now UEFA Europa League), Marseille had a disappointing campaign during the 2005/2006 season. They were eliminated in the Round of 16 by Zenit Saint Petersburg. Marseille faced challenges in their away matches in the UEFA Cup, which contributed to their early exit from the competition.

3. Coupe de France: Marseille's performance in the Coupe de France during the 2005/2006 season was relatively unremarkable. They were eliminated in the Round of 32 by Lyon, failing to advance to the later stages of the tournament. The early exit from the Coupe de France added to the frustrations of the season for Marseille.

4. Squad and Key Players: Marseille's squad during the 2005/2006 season featured key players such as Franck Ribéry, Lorik Cana, and Habib Beye. These players played pivotal roles in the team's performances, contributing with their skill, experience, and leadership on the pitch.

5. Managerial Influence: The managerial changes from Jean Fernandez to Albert Emon during the season had varying impacts on Marseille's performances. While they showed potential under both managers, they struggled to maintain consistency and achieve success in multiple competitions. The changes in management highlighted the challenges Marseille faced in finding stability and continuity throughout the season.

Overall, the 2005/2006 season was a challenging one for Olympique de Marseille, as they faced difficulties in achieving consistent results both domestically and in European competitions. While they showed moments of promise, their performances were marred by inconsistency and early exits from cup competitions. The season highlighted the need for improvement and adjustments for Marseille to compete effectively in the future.