 The defender has been a regular for the Bulgarian team since making his official debut against Romania in a UEFA Euro 2008 qualifying match.On 11 October 2006, Tunchev scored his first international goal in a 1–0 away win over Luxembourg during a UEFA Euro 2008 qualifying match.In November 2014, he was recalled to the national side for a Euro 2016 qualifier against Malta after a long absence from international duty, but remained on the bench.