Masafumi Okubo boxer
- bouts
- 23
- won
- 18
- lost
- 4
- draw
- 1
- Status
- inactive
- Division
- flyweight
- Debut
- 1998-10-27
- Height
- 5′ 5″/165cm
- Reach
- -
- Age
- -
- Born
- 1980-10-14
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2010-11-20 | Edgar Sosa | WWLWWW | Arena Monterrey, Monterrey | LOST Unanimous decision |
| 2010-09-22 | Motoki Matsunase | WLLWWL | Korakuen Hall | WIN Unanimous decision |
| 2010-07-17 | Keita Yamaguchi | WLLLWL | Korakuen Hall | WIN Technical knockout |
| 2010-03-09 | Rocky Fuentes | WLWWWW | Korakuen Hall | LOST Majority decision |
| 2009-11-29 | Sarasak Limsonbun | debut | Super Arena, Saitama | WIN Unanimous decision |
| 2009-05-02 | Prapas Yuchi | LLLLWW | Korakuen Hall | WIN Technical knockout |
| 2008-12-23 | Jojo Bardon | LWWWLW | Kokugikan | WIN Unanimous decision |
| 2008-08-16 | Yasuto Aritomi | WWWWWW | Korakuen Hall | DRAW |
| 2008-04-14 | Jin-Ki Jung | WLLLWW | Korakuen Hall | WIN Unanimous decision |
| 2007-09-01 | Prapas Yuchi | WLWLWW | Korakuen Hall | WIN KO |
| 2007-07-17 | Satrawut Boonaree | LL | Korakuen Hall | WIN KO |
| 2007-05-22 | Wido Paez | DWLWWL | Korakuen Hall | WIN Unanimous decision |
| 2007-04-07 | Takashi Morishima | LLLDLL | Korakuen Hall | WIN Unanimous decision |
| 2007-01-24 | Yodbuankam Sortanapinyu | debut | Korakuen Hall | WIN KO |
| 2006-09-29 | Seiya Hirakawa | WLLLWW | Korakuen Hall | LOST Majority decision |
| 2006-07-31 | Yoshiki Osawa | WWLLW | Korakuen Hall | WIN Unanimous decision |
| 2006-06-13 | Sweets Sekiya | WLWW | Korakuen Hall | WIN Unanimous decision |
| 2006-03-21 | Yutaka Takahashi | LWLWDL | Korakuen Hall | WIN Unanimous decision |
| 2006-01-25 | Masashi Muto | LDWW | Korakuen Hall | WIN Unanimous decision |
| 2005-10-20 | Teppei Inaba | LLLWL | Korakuen Hall | WIN Technical knockout |
| 2005-07-20 | Tortoise Tamiya | LL | Korakuen Hall | WIN Unanimous decision |
| 1999-05-28 | Kenzo Amakusa | WLL | Korakuen Hall | LOST Points |
| 1998-10-27 | Masaomi Hagata | debut | Korakuen Hall | WIN Points |
