MASAO OBA
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| a.k.a.: | |
| WEIGHT CLASS: | UNKNOWN |
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| LAST FIGHT: | March 4, 1972 |
| LAST WEIGH-IN: | 111.75 |
| W-L-D | RND | FIGHTER | DATE | TITLE |
| W KO | 13 | Berkrerk Chartvanchai | 1970-10-22 | WBA World flyweight |
| W MD | 15 | Susumu Hanagata | 1972-03-04 | WBA World flyweight |