A Controversial Semifinal
Barkalaev returned to ADCC in 2000 as defending champion, having moved up to the 99 kg / 218 lb division. The bracket he entered was formidable: Jeff Monson was among the competitors, as was a then-relatively obscure Carlson Gracie brown belt named Ricardo Arona, who had earned his place through a demanding internal selection process at Carlson Gracie — reportedly a 25-minute match plus overtime, conducted in front of Carlson Gracie himself the week before the trials final.
Barkalaev's semifinal against Arona became one of the most controversial matches in ADCC history. The bout escalated well beyond standard grappling competition, reportedly requiring five officials to physically separate the two athletes. After Barkalaev accepted an apology from the Brazilian corner, the match resumed. Arona executed a throw that registered with the judges, though whether the full three-second control typically required for scoring was achieved remained disputed. The decision went against Barkalaev, ending his run as defending champion.
Deportation and Its Aftermath
What followed the loss proved far more consequential than the defeat itself. Barkalaev's post-match gesture — directed toward the Brazilian section and the judges' table — was aimed at an area where Sheikh Tahnoun bin Zayed, the event's patron and a member of Abu Dhabi's royal family, was seated. UAE authorities took Barkalaev into custody, and he was subsequently deported from the country, never competing at ADCC again.
Barkalaev later gave public accounts of his treatment in the immediate aftermath, describing approximately one week of being restrained and blindfolded before being placed on a departing flight out of the UAE. He presented these as his own account of events — a rare, if unverifiable, window into the diplomatic consequences of a single moment of frustration on the competition floor.