Tani was born in Aichi Prefecture on November 13, 1968.
After graduating from University of Tsukuba, he joined Hitachi (later Kashiwa Reysol) in 1991.
The club won the 2nd place in 1992 and 1994 Japan Football League.
On July 27, 1990, Tani debuted for Japan national team against South Korea.
This biographical article related to a Japanese association football forward is a stub.