Masao Oba boxer
- bouts
- 38
- won
- 35
- lost
- 2
- draw
- 1
- Status
- inactive
- Division
- flyweight
- Debut
- 1966-11-07
- Height
- 5′ 5½″/167cm
- Reach
- -
- Age
- 23
- Born
- 1949-10-21
- Death
- 1973-01-24
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1973-01-02 | Chartchai Chionoi | DWWWWW | Nihon University Auditorium | WIN KO |
| 1972-09-26 | Natalio Jimenez | WLLWLL | Korakuen Hall | WIN KO |
| 1972-06-20 | Orlando Amores | WWWWWW | Nihon University Auditorium | WIN KO |
| 1972-03-04 | Susumu Hanagata | WWLWWW | Nihon University Auditorium | WIN Majority decision |
| 1971-10-23 | Fernando Cabanela | LWWWWW | Nihon University Auditorium | WIN Unanimous decision |
| 1971-08-19 | Tony Moreno | WDWLLD | Korakuen Hall | WIN Unanimous decision |
| 1971-06-18 | Rocky Garcia | WLWWWW | Convention Center Arena, San Antonio | WIN Technical knockout |
| 1971-04-01 | Betulio Gonzalez | WWWWWW | Nihon University Auditorium | WIN Unanimous decision |
| 1971-01-21 | Fritz Chervet | LDWLWW | Korakuen Hall | WIN Technical knockout |
| 1970-10-22 | Berkrerk Chartvanchai | WWWWWL | Nihon University Auditorium | WIN KO |
| 1970-06-21 | Baby Corona | LLDLDW | Korakuen Hall | WIN KO |
| 1970-03-01 | Rudy Billones | WDWDWL | WIN Unanimous decision |
|
| 1969-12-14 | Bernabe Villacampo | WLWLWW | WIN Unanimous decision |
|
| 1969-08-18 | Tsuyoshi Nakamura | WDDDWL | WIN Unanimous decision |
|
| 1969-06-23 | Sakdinoi ETO | WWLL | WIN Points |
|
| 1969-05-05 | Yoshiaki Matsumoto | WLWWDL | WIN Unanimous decision |
|
| 1969-03-03 | Speedy Hayase | DLLWWL | WIN Points |
|
| 1968-12-23 | Shuta Yoshino | DLDLDD | Sendai | WIN Points |
| 1968-10-28 | Yuzo Narumi | LLWLWL | WIN Points |
|
| 1968-09-02 | Susumu Hanagata | DWWWWW | LOST Points |
|
| 1968-08-05 | Shoji Wada | LWLLWW | WIN Points |
|
| 1968-06-17 | Shoichi Fujimaki | WLD | WIN KO |
|
| 1968-05-13 | Takeo Tamaya | LWLDDL | WIN Technical knockout |
|
| 1968-03-11 | Shoji Wada | DDLLLW | WIN Points |
|
| 1968-01-08 | Samurai Hagiri | WWWWWL | Korakuen Hall | WIN Points |
| 1967-12-14 | Shunichi Minagawa | LW | Kokugikan | WIN Points |
| 1967-11-13 | Toshimi Yasuda | W | WIN KO |
|
| 1967-10-13 | Snappy Asano | DDLLWW | DRAW Points |
|
| 1967-09-22 | Masao Ohara | debut | WIN Corner retirement |
|
| 1967-09-03 | Yasuo Jo | DWW | WIN Points |
|
| 1967-07-31 | Tadashi Nishikawa | W | WIN KO |
|
| 1967-06-16 | Masakazu Tani | WWWDW | Osaka | LOST Unanimous decision |
| 1967-04-30 | Kunio Shimada | debut | Kokugikan | WIN Points |
| 1967-03-27 | Kenji Otsuka | debut | WIN Points |
|
| 1967-02-20 | Sumio Arai | L | Korakuen Hall | WIN Corner retirement |
| 1967-01-02 | Ryoichi Takahashi | debut | WIN KO |
|
| 1966-12-12 | Joji Kuroki | debut | WIN KO |
|
| 1966-11-07 | Kazuyoshi Watanabe | debut | WIN KO |
