Date of Birth: 
Place of Birth: Manchukuo
About Tadashi Sawamura
- Tadashi Sawamura (?? ?, Sawamura Tadashi, born January 5, 1943) is a Japanese former kickboxer whose real name is Hideki Shiraha (?? ??, Shiraha Hideki).
- He was one of the first popular participants in the sport, and enjoyed great fame throughout his career.
- He is sometimes credited for sustaining the early boom in the popularity of kickboxing.
- He has an exceptionally high knockout percentage of 94.60% in combat sports.
- For comparison, in heavyweight boxing the two highest knockout percentages are 87.76% by Rocky Marciano and 87.23% by Vitali Klitschko.
- Mike Tyson who became famous for his knockout power retired with a knockout percentage of 75.86%.
- Sawamura's knockout prowess earned him the nickname "The Demon of Kickboxing".
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