Wakamatsu was born in Kagoshima Prefecture on August 16, 1972.
After dropping out of Fukuoka University, he joined Sanfrecce Hiroshima in 1993.
He played in the 1993 J.League Cup as forward instead Takuya Takagi, because Takagi had left the club to play in the Japan national team.
However, he was unable to play in any other games and he retired at the end of the 1995 season.
This biographical article related to a Japanese association football forward, born in the 1970s is a stub.