Robin Gracie, the youngest son of Helio Gracie was challenged by Damien Riccio, French MMA fighter and Karate black belt. The event happened in 2003 when Robin was conducting a seminar in Perpignan, France. Riccio seized the opportunity and challenged Robin Gracie for a fight. although he wasn’t prepared for a fight, he still had accepted it. There were a lot of controversies around this fight because Ricco challenged Robin in middle of the seminar