 On 30 August 2006, Tasci played his only match for the Germany U20 team, when he started in a 1–0 win against Switzerland before being substituted.Two months later, Tasci was called up by the Germany under-21 team for the first time, but did not play.Tasci made his debut for the Germany under-21 team on 6 February 2007 in a 2–0 win against Scotland, in what turns out to have been his only appearance for the U21 side.