Masaki Yamaoka boxer
- bouts
- 16
- won
- 12
- lost
- 3
- draw
- 1
- Status
- inactive
- Division
- bantamweight
- Debut
- 1989-01-20
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1967-06-08
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1993-07-03 | Yuichi Kasai | WWWWWD | Korakuen Hall | LOST Unanimous decision |
| 1993-04-15 | Ranny Andagan | LLWLWL | WIN Technical knockout |
|
| 1992-06-06 | Dong-Chun Lee | WWWWWW | LOST KO |
|
| 1992-03-07 | Seisaku Miyagi | LWWWWW | WIN Technical knockout |
|
| 1991-12-14 | Keiichi Ozaki | WWWDWL | WIN Points |
|
| 1991-08-10 | Santiago Caballero | LLWLWL | WIN Technical knockout |
|
| 1991-04-18 | Noriaki Shibuya | WW | WIN Technical knockout |
|
| 1990-12-24 | Shigeru Okabe | WWWWWL | Korakuen Hall | DRAW Points |
| 1990-09-17 | Takeshi Maeda | LWDLLL | WIN KO |
|
| 1990-07-22 | Itaru Kaga | W | WIN KO |
|
| 1990-03-30 | Ken Yamano | L | Korakuen Hall | WIN Technical knockout |
| 1990-01-19 | Mitsuru Sato | LL | WIN KO |
|
| 1989-06-26 | Tomonori Tamura | WWLW | LOST KO |
|
| 1989-05-08 | Dai Saito | L | WIN Points |
|
| 1989-03-10 | Yuichi Ikeda | debut | WIN KO |
|
| 1989-01-20 | Kazuhiro Seya | WLL | WIN Points |