 Complete the following phrase:  After his retirement as a player, Zoff went into coaching, joining the technical staff at Juventus, initially as a goalkeeping coach, although this experience proved to be unsatisfactory for him. He subsequently coached the Italian Olympic side, his first experience as a coach, helping the team to qualify for the 1988 Summer Olympic Games in Seoul, before returning to Juventus in a coaching role; the Italian Olympic side eventually managed a fourth-place finish in the final tournament. Zoff served as Juventuss head coach from 1988 to 1990. In 1990, he was sacked, however, despite winning the UEFA Cup and the Coppa Italia during the 