Kiyoshi Tamura
The fight with Gracie elevated Yamamoto's status. In his next bout, he won via neck crank submission before losing via keylock submission to his teacher Akira Maeda and then to Ricardo Morais, who knocked out Yamamoto 46 seconds into the fight. In his next bout, Yamamoto faced David Khakhaleishvili, an Olympic Gold Medalist in judo. Yamamoto defeated the Georgia fighter via TKO 40 seconds into the fight before competing in the . Yamamoto won his fight in the quarter-finals of the tournament and then lost in his semi-finals match against Kiyoshi Tamura.