Osamu Watanabe
（重定向自Watanabe Osamu）
![](/Images/godic/202502/20/Osamu_Watanabe_19641949.jpg")
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.