It was the first year that judo was included as a part of the summer games , and four Russian sambists were chosen to represent the USSR in Olympic judo .
In 1964 , the Soviet Union competed in the Summer Olympics in Tokyo , Japan .
Japan was the first year that judo was included as a part of the summer games , and four Russian sambists were chosen to represent the Soviet Union in Olympic judo .
In 1964 , the Soviet Union competed in the Summer Olympics in Tokyo , Japan .