Rank in Judo are ranked in ascending numerical order. The ninth ("kudan") and tenth degree black belt ("jūdan") and, theoretically, those higher, have no formal requirements. Only 15 individuals have been promoted to the rank of Kōdōkan 10th dan. On January 6, 2006, three individuals were promoted to this rank simultaneously: Daigo Toshirō, Ichirō Abe, and Ōsawa Yoshimi. This is the most ever at the same time, and the first in 22 years. No one has ever been promoted to a rank higher than 10th "dan", but in theory the Judo rank system is not limited to 10 degrees of black belt. The
Judo in Brazil Judo in Brazil The practice of the Japanese martial art of Judo in Brazil dates back to 1914, and its presence spawned the creation of another notable martial art, Brazilian Jiu-Jitsu. However, Judo practice in Brazil did not cease after the inception of Brazilian Jiu-Jitsu, as evidenced by the 4th Edition of the World Judo Championships being held in Rio de Janeiro in 1965. Furthermore, in the 2012 Summer Olympics Brazilian Judoka Sarah Menezes Won the Gold Medal in Judo, with other Brazilians winning Bronze medals in various divisions, placing Brazil sixth overall in total number of medals won in