Masato Arai boxer
- bouts
- 18
- won
- 13
- lost
- 4
- draw
- 1
- Status
- inactive
- Division
- super welterweight
- Debut
- 2002-04-07
- Height
- 5′ 8½″/174cm
- Reach
- -
- Age
- -
- Born
- 1983-11-19
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2007-08-18 | Tadashi Yuba | WLLWWW | Korakuen Hall | LOST |
| 2007-03-03 | Yoshiharu Ikeda | LWLWWL | City Gymnasium, Kumagaya | WIN Unanimous decision |
| 2006-09-09 | Luiz Okamoto | LLLWWL | Korakuen Hall | DRAW |
| 2006-03-11 | Tomohiro Mitsunaga | WWLWLW | Korakuen Hall | WIN Unanimous decision |
| 2006-01-21 | Ongart Twinsgym | LLL | Korakuen Hall | WIN Technical knockout |
| 2005-07-24 | Rex Marzan | LLLLWW | Sowacho Gym, Ibaragi | WIN KO |
| 2005-03-01 | Koji Numata | WWWWW | Korakuen Hall | LOST Technical knockout |
| 2004-11-07 | Tata Regatuna | WLLWWW | City Gymnasium, Koga | WIN KO |
| 2004-08-31 | Ryusuke Yoda | LWWWWW | Korakuen Hall | LOST KO |
| 2004-05-02 | Koichi Sugiyama | LWLWDL | Sowacho Gym, Ibaragi | WIN KO |
| 2004-02-07 | Kentaro Yoshida | LWWWWL | Korakuen Hall | WIN Unanimous decision |
| 2003-11-02 | Takahide Yamamoto | WWLLWW | Korakuen Hall | WIN KO |
| 2003-09-26 | Minato Benitora | WLD | Korakuen Hall | WIN KO |
| 2003-04-26 | Atsushi Kondo | LLLD | Kokugikan | WIN Technical knockout |
| 2003-02-15 | Kotaro Suehara | WWL | Korakuen Hall | WIN Technical knockout |
| 2002-06-30 | Tatsuya Shoji | LW | City Gymnasium, Isesaki | LOST Split-decision |
| 2002-05-18 | Koji Hirano | L | Super Arena, Saitama | WIN KO |
| 2002-04-07 | Hiroyuki Takeuchi | debut | Golf Links Arena, Koga | WIN Unanimous decision |
