Osamu Watanabe
(重定向自Watanabe Osamu)

Osamu Watanabe(渡辺 長武 Watanabe Osamu, born on October 21, 1940) is a retired Japanese freestyle wrestler. In 1962, he debuted internationally and retired shortly after the 1964 Olympics. During his brief career Watanabe won all his few hundred bouts without losing a single point. This achievement remains unmatched in any type of competitive wrestling, as reflected in the Guinness World Records.