Quiz

His last name is pronounced "Dukes".

His parents, Margaret and Alfred Dux, (born August 7, 1920 and died February 24, 2002) were Holocaust survivors who immigrated from Canada to the United States in 1963.

In 1996, HarperCollins published "The Secret Man: An American Warrior's Uncensored Story".

He is portrayed by Jean-Claude Van Damme in Bloodsport (1988).

Dux served in The United States Marine Corps Reserves.

The film Senza esclusione di colpi (1988) tells the story of his life.

Dux claimed to have scored 56 consecutive knockouts in a Kumite Tournament in 1975.

Dux was the International Fighting Arts Association (IFAA) World Heavyweight Full-Contact Kumite Champion from 1975 to 1980.

In 1980, Dux told Black Belt Magazine that his fight record was 321 wins, 1 loss and 7 draws.

At the 1975 Kumite Tournament, Dux set a record by knocking out Mark Sharrock in 12.1 seconds.

Dux holds the following records in Kumite Tournaments

1975 - Most consecutive knockouts in a single tournament - 56 1975 - Fastest recorded Kumite knockout - 3.2 seconds 1975 - Fastest recorded punch resulting in a knockout - .12 seconds 1975 - Fastest recorded kick resulting in a knockout - 72 MPH 1975 - Shortest knockout time average for fight career - 1:20 sec 1975 - First to achieve IFAA Weapons/Forms score of a perfect "10" 1978 - First Kumite fighter to exceed 300 matches 1980 - First Kumite fighter to be undefeated with over 100 matches 1980 - Final Kumite fight record - 329 matches. (Some sources list 323-1-7).

In 2014, Dux told AXS TV that he had retired with a fight record of 329 wins, 0 losses.