his Mundo Hispano regional title with success in a rematch with Victor Hugo Sclarandi on 29 October of that year by a knockout in five rounds, Castillejo finally had his first fight abroad when he beat Bernard Razzano by a knockout in six rounds, at Dijon, France, to conquer the European light middleweight title. He defended the title successfully four times, then lost it, on 3 January 1995 to the then WBA light middleweight champion Laurent Boudouani, in Épernay, France, by knockout in the ninth round. His next fight was a victory by disqualification in six rounds on 14 July against Carlos Rocha Tovar in Seville. The victory against Tovar was followed by a rematch with Boudouani, who would once again defeat Castillejo, this time around by a twelve-round decision, at Levallois, 6 January 1996. Castillejo then won six more fights in a row before fighting for a world title again. He regained the EBU light middleweight title by knocking out the former WBA welterweight title challenger, Ahmed Dottuev, in round twelve at Suffolk, England, on 2 July 1998. First world title On 29 January 1999, Castillejo got his second chance at becoming a world champion. He outpointed Lineal and WBC light middleweight champion Keith Mullings over twelve rounds to join a handful of world champions to come from Spain. Despite some protests from Mullings' management team, the judges' decision remained, and Castillejo held the WBC title. Losing the title to De La Hoya After five defenses, where Castillejo retained the title, a fight was set between him and Oscar De La Hoya. It was Castillejo's first big time, Pay Per View event. Many fans, perhaps ignoring Castillejo's achievements in Europe and as defendind world champion, regarded Castillejo as another stepping stone in De La Hoya's career. Castillejo commented to this regard, saying on a press conference before the fight, which was held in Las Vegas, that "(he) didn't come to Las Vegas to do tourism, but to defend (his) title". Castillejo lasted the twelve round distance with De La Hoya, but was sent to the canvas seconds before the fight ended, and lost a unanimous twelve-round decision and his world title, on 23 June 2001. After six months, Castillejo returned to the boxing ring, beating the well regarded Xavier Moya by a knockout in five rounds, On 11 January 2002, to win the vacant European Community's Junior Middleweight title,