From Barry Hugman's History of World Championship Boxing
2006-03-04 Yutaka Niida w pts 12 Ronald Barrera, Korakuen Hall, Tokyo, Japan - WBA. Referee: Derek Milham. Scorecards: 117-111, 116-112, 115-113.
On 7 November, at the Grand Cube, Osaka, Japan, Katsunari Takayama stopped Carlos Melo in the ninth round to win the vacant WBA ‘interim’ title.