Career
Born in Aalborg, Tengstedt started his career with amateur club Aalborg Chang. He moved abroad to play the 1997-1998 season with Scottish Premier Division club Dundee United, but made no first team appearances. He played 190 games and scored four goals for Viborg FF in the Superliga, over the span of ten seasons, before the club was relegated to the Danish 1st Division in the summer 2008.
In May 2009, Tengstedt ended his career due to injury, having played a total 233 games and scored 12 goals for Viborg FF. Club Viborg FF.
