Having ended his active career, Tune began a career as a part-time coach. In 1991, he became the new manager of Herfølge BK but he was sacked in 1993 after losing an important game against Brønshøj BK.
Having ceased his active participation, Tune began a part-time coaching career. In 1991, he became the new manager at Herfølge BK but was relieved of his duties in 1993 following a loss to Brønshøj BK.