Full name
tsuyoshi hamada

Birthdate
November 29, 1960

Debut
On May 21, 1979, in Tokyo, he knocked out Norimasa Kakegawa in two rounds.

won the world title
On July 24, 1986, in Tokyo, he knocked out Mexican René Arredondo in one round and won the World Boxing Council super lightweight title.

Achievements
In his second defense on July 22, 1987, in Tokyo, the Mexican René Arredondo knocked him out in six rounds.

Withdrawal
On July 22, 1987, after his defeat with René Arredondo