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|   | Ryuji NISHIHARA 
Male
 (Ryuji Naka)
 Super-Lightweight, Japan, Fukuoka
 Born: February 17, 1976, Maebaru, Fukuoka
 Height: 5ft 6 1/2in, mt 1,68
 
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| No amateur resultsProfessional record| Date | Opponent | Place | Result |  | 1999 |  | + July 18 | Naoki Uemura | Munakata, Japan | W 4 |  | + Oct. 10 | Takayoshi Takahashi | Munakata, Japan | KO 1 |  | 2000 |  | + Feb. 13 | Shunichi Iwata | Tokyo, Japan | KO 2 |  | + May 28 | Kazuyuki Inoue | Tokyo, Japan | KO 2 |  | - Aug. 6 | Tetsu Sodesawa | Nakama, Japan | KO by 2 |  | 2001 |  | + May 13 | Masaki Kanamoto | Hofu, Japan | KO 4 |  | + Sept. 16 | Sakae Oto | Kasuga, Japan | W 4 |  | + Nov. 18 | Manabu Sugiura | Chikujo, Japan | KO 4 |  | - Dec. 15 | Shintaro Kurihara | Tokyo, Japan | L 6 |  | 2002 |  | + June 9 | Wanchana Chuwatana | Munakata, Japan | KO 3 |  | + Oct. 13 | Weerachai Chuwatana | Munakata, Japan | W 8 |  | 2003 |  | + Mar. 23 | Atsushi Maruyama | Munakata, Japan | W 10 |  | - June 23 | Yusuke Kobori | Yokohama, Japan | L 8 |  | - Oct. 19 | Kazunori Fujita | Kurashiki, Japan | L 10 |  | + Dec. 14 | Seesawat Sakmuangklang | Munakata, Japan | W 8 |  | 2004 Inactive
 |  | 2005 |  | - Mar. 19 | Hiroshi Nakamori | Tomishiro, Japan | L 10 |  | 2006-2007 Inactive
 |  | 2008 |  | + May 16 | Tetsuro Kakiuchi | Fukuoka, Japan | TKO 6 |  | + Dec. 20 | Detchbanjon Sithsaithong | Fukuoka, Japan | KO 1 |  | 2009 |  | + Mar. 1 | Singdet Sithsaithong | Nagasaki, Japan | W 8 |  | + June 8 | Kriburee Sithniwat | Fukuoka, Japan | KO 4 |  | - Nov. 21 | Nihito  Arakawa | Tokyo, Japan | L 8 | 
   SummaryTotal bouts: 21, Won: 15 (9 inside the limit), Lost: 6 (1 inside the limit), Draw: 0, NC: 0 |