Ryosei Arai (Ryuji Arai) boxer
- bouts
- 17
- won
- 12
- lost
- 4
- draw
- 1
- Status
- inactive
- Division
- featherweight
- Debut
- 2005-10-10
- Height
- 5′ 9″/175cm
- Reach
- -
- Age
- -
- Born
- 1984-07-06
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2013-11-10 | Shota Hayashi | WDWWWW | International Conference Hall, Nagoya | LOST Technical knockout |
| 2013-06-01 | Junki Sasaki | WWWWWW | Korakuen Hall | WIN Unanimous decision |
| 2012-10-06 | Yoshitomo Watanabe | WWW | Korakuen Hall | WIN Unanimous decision |
| 2011-12-13 | Taisho Ozawa | DWWLLW | Korakuen Hall | WIN Technical knockout |
| 2010-07-15 | Hirofumi Atsumi | WWWWWW | Korakuen Hall | WIN Majority decision |
| 2010-05-15 | Hirotsugu Yamamoto | LWWDWW | Korakuen Hall | WIN Technical knockout |
| 2010-02-23 | Yoshitaka Katabami | LWLWWW | Korakuen Hall | WIN Unanimous decision |
| 2009-12-14 | Yukihiro Nakamura | DWWWWW | Korakuen Hall | WIN Majority decision |
| 2009-07-29 | Yudai Koizumi | WWWDLW | Korakuen Hall | DRAW Majority decision |
| 2008-06-06 | Hidenori Otake | DWWWLW | Korakuen Hall | LOST Technical knockout |
| 2007-07-22 | Kiyokuni Kanaya | LDLWWL | Sun Dome Fukui, Echizen | WIN Technical knockout |
| 2007-05-20 | Munemitsu Hitomi | LWWWLL | Bunka Hall, Shimoda | LOST Split-decision |
| 2006-11-04 | Tomoki Kimura | DWWWWW | City Hall, Nagoya | LOST Majority decision |
| 2006-09-17 | Masatoshi Takahashi | WWWDLW | Aioi Hall, Kariya | WIN Split-decision |
| 2006-06-25 | Akito Hoshi | WLW | International Conference Hall, Nagoya | WIN Unanimous decision |
| 2006-03-11 | Takeshi Sudo | DLWWLD | City Gymnasium, Obu | WIN Unanimous decision |
| 2005-10-10 | Reiji Nakura | debut | Zepp, Nagoya | WIN Unanimous decision |