Russian boxing is the traditional bare-knuckle boxing of Rus' and then Russia. Boxers will often train by punching buckets of sand to strengthen bones, and prepare minutes before the fights.
A lubok depiction of the "Wall on Wall" (Stenka na Stenku) fist fighting.
"Fistfight" (Kulachniy Boy), a drawing by Viktor Vasnetsov.
Bare-knuckle boxing is a full-contact combat sport based on punching without any form of padding on the hands. The sport as it is known today originated in 17th-century England and differs from street fighting as it follows an accepted set of rules.
Irish-American fighter John L. Sullivan
Tom Molineaux (left) vs Tom Cribb in a re-match for the heavyweight championship of England, 1811.