 He never played for the German national team, but he made two appearances for the Germany under-18 team, in the group stage of the 1983 UEFA European Under-18 Championship on 15 and 17 May 1983, in a 1–0 win over Sweden and in a 3–1 win over Bulgaria, respectively.Flick's managerial career began in 1996 as a player-manager of Viktoria Bammental, which was playing in the Oberliga Baden-Württemberg at that time.At the end of the 1998/99 season, the club was relegated to the Verbandsliga Baden, but Flick remained their coach for one more season.