Rickson Gracie is the only Gracie that Sakuraba did not defeat. Sakuraba had notable victories over Renzo, Royce, and Ralph Gracie, but he never faced Rickson in competition. Rickson is considered one of the greatest grapplers of all time and is known for his undefeated record in MMA.
Kazushi Sakuraba True Fan Quiz: 30 Questions to separate the true fans from the rest