From Barry Hugman's History of World Championship Boxing
2009-05-26 Daisuke Naito w pts 12 Xiong Zhao Zhong, Differ-Ariake Arena, Tokyo, Japan - WBC. Referee: Bruce McTavish. Scorecards: 114-110, 114-111, 113-111.
On 28 August at the Kadcheongdoi Municipal Arena, Chiangmai, Thailand, Pongsaklek Wonjongkam retained the WBC ‘interim’ title when stopping Takahisa Masuda inside six rounds.