Katsumi Kobayashi boxer
- bouts
- 20
- won
- 3
- lost
- 11
- draw
- 5
- Status
- inactive
- Division
- flyweight
- Debut
- 1936-05-16
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- Japan
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1950-09-25 | Yoshio Shirai | WWWWWW | LOST KO |
|
| 1950-07-10 | Akiyoshi Akanuma | DWWLDD | DRAW Points |
|
| 1950-04-29 | Kyoichi Muto | WWWWLW | LOST KO |
|
| 1949-11-12 | Noboru Kushida | LLWLWW | LOST Points |
|
| 1949-09-10 | Seiji Yokoyama | LWDLDD | NC No Contest |
|
| 1949-02-18 | Eijiro Yajima | WLDWLW | WIN Points |
|
| 1938-06-09 | Takehiko Ishida | DWDWDW | LOST Points |
|
| 1938-01-26 | Yoshihiro Hasegawa | LLWWDD | DRAW Points |
|
| 1937-12-07 | Goro Kikuchi | LWLWWW | LOST Points |
|
| 1937-10-09 | Isamu Ito | WWLLLD | DRAW Points |
|
| 1937-09-05 | Goro Kikuchi | DLWLWL | LOST Points |
|
| 1937-08-19 | Yoichiro Hanada | WDWWWD | LOST Points |
|
| 1937-06-24 | Takehiko Ishida | WDWWDW | DRAW Points |
|
| 1937-04-02 | Goro Kikuchi | LDLWWW | DRAW Points |
|
| 1936-12-07 | Eijiro Yajima | WLLWLL | WIN Points |
|
| 1936-10-15 | Hajime Sakamoto | WWWDDW | LOST Points |
|
| 1936-08-24 | Shoichi Otsu | LLLDDD | Yokohama | LOST Points |
| 1936-08-20 | Tosuke Sakuma | LWD | LOST Points |
|
| 1936-07-27 | Yoichiro Hanada | DWLDLW | LOST Points |
|
| 1936-05-16 | Eijiro Yajima | WWLDWL | Nishinomiya | WIN Points |