K-1 World Grand Prix 2003 Preliminary Brazil was a kickboxing event promoted by K-1 Brazil in association with K-1. The event was held at the Maksoud Plaza Hotel in São Paulo, Brazil on Sunday, February 23, 2003. It was a preliminary qualifying tournament for the K-1 World Grand Prix 2003 and involved eight fighters based in Brazil, with all bouts being fought under K-1 Rules (100 kg/156-220 lbs). As well as tournament bouts there was also a W.K.N. Brazilian Middleweight title fight between Marfio Canoletti and Alexander Oller da Silva fought under Muay Thai Rules (70 kg/152lbs. In total there were ten fighters at the event, all from Brazil. The tournament winner was Jefferson Silva who defeated Eduardo Maiorino in the final by third round unanimous decision. As a result of the tournament Jefferson Silva would qualify for the K-1 World Grand Prix 2003 in Las Vegas II, while runner up Eduardo Maiorino would qualify for the K-1 World Grand Prix 2003 in Las Vegas. K-1 World Grand Prix 2003 Preliminary Brazil Tournament * Vitor Miranda replaced Carlos Lima in the Semi Finals as Carlos Lima was injured Results Quarter Finals: K-1 Rules / 3Min. 3R Ext.1R :Carlos Berreto vs Luis dos Santos :Dos Santos defeated Berreto by 3rd Round Unanimous Decision 3-0 :Laerte Rezende Junior vs Eduardo Maiorino :Maiorino defeated Rezende Junior by TKO (Doctor Stoppage) in the 2nd Round :Lucio Aurelio vs Jefferson Silva :Silva defeated Aurelio by 3rd Round Unanimous Decision 3-0 :Carlos Lima vs Vitor Miranda :Lima defeated Miranda by 3rd Round Unanimous Decision 3-0 but had to withdraw due to injury - Vitor Miranda took his place in the Semi Finals Semi Finals Finals: K-1 Rules / 3Min. 3R Ext.1R :Luis dos Santos vs Eduardo Maiorino :Maiorino defeated Dos Santos by 3rd Round Unanimous Decision 3-0 :Jefferson Silva vs Vitor Miranda :Silva defeated Miranda by KO at 2:01 of the 2nd Round W.K.N. Brazilian Middleweight Title Fight: Muay Thai Rules / 3Min. 5R :Marfio Canoletti vs Alexander Oller da Silva :Canoletti defeated Oller da Silva by KO at 0:50 of the 3rd Round Final: K-1 Rules / 3Min. 3R Ext.2R :Eduardo Maiorino vs Jefferson Silva :Silva defeated Maiorino by 3rd Round Unanimous Decision 3-0