As a 17-year-old, Zézé scored twice for ASEC Abidjan in the 1999 CAF Super Cup final against Espérance de Tunis. Following this, he moved to Belgian side K.S.K. Beveren in 2001, where he starred with other Ivorians such as Yaya Touré and Gilles Yapi Yapo.
As a teenager, Zézé made an impressive debut for ASEC Abidjan in the 1999 CAF Super Cup final against Espérance de Tunis. He then joined Belgian club K.S.K. Beveren in 2001, where he formed a talented team with fellow Ivorians Yaya Touré and Gilles Yapi Yapo.