Oliver Kahn maintained his number one spot for the 2004 UEFA European Football Championship, but Germany were once again eliminated in the group stage. Oliver Kahn gave up his captaincy to Michael Ballack after the tournament. Germany's new manager Jürgen Klinsmann, who replaced Rudi Völler, adopted the strategy of rotating the number one spot between Kahn and his longtime competitor, Jens Lehmann of Arsenal, to stimulate competition between the two. On 7 April 2006, after two years of dispute for the position Klinsmann announced Lehmann was his first-choice goalkeeper for the 2006 World Cup. Kahn decided to stay on as a backup
Roger Wolfe Kahn interspersed with play. At the weekends, the routine was shattered with the arrival of their father, Otto Kahn, from New York. For when he was near his children, he was irrepressible and would constantly divert them and give them his undivided attention. Otto Kahn's wisdom in life was to "Live life. Love beauty. Be happy," and as such, young Kahn grew up with encouragement from his parents to pursue his dreams. When Kahn was five, he and his family moved from New Jersey to live in London where they resided for two years at St Dunstan’s House in Regent’s Park;