All boxersHiroshi Kobayashi
Boxing61-10-4RECORD
10WINS BY KO / TKO
51WINS BY DECISION
75PRO FIGHTS
Profile
| Full name | Not added yet |
|---|---|
| Nickname | Not added yet |
| Date of birth | 23 Aug 1944 |
| Nationality | Japanese |
| Birthplace | Isesaki, Gunma, Japan |
| Based in | Not added yet |
| Weight classes | Super featherweight, Featherweight |
| Trainers | Not added yet |
| Height | 168 cm (5′6″) |
| Reach | Not added yet |
| Stance | Orthodox |
| Years active | 1962–1971 |
| Status | Retired |
| Pro debut | 2 Jul 1962 |
| Last fight | Loss vs Roberto Durán, 16 Oct 1971 |
Details on this page were compiled from public information on 11 Oct 2026 (the record is as of that date). Is this you? Claim this profile to correct anything and add your photo and bio. Claim this profile
Titles and honours
- Undisputed super featherweight champion (1967–1969)
- WBA super featherweight champion (1967–1971)
- WBC super featherweight champion (1967–1969)
- The Ring super featherweight champion (1967–1971)
- Japanese featherweight champion (1964–1967)
Background
Hiroshi Kobayashi is a Japanese former professional boxer from Isesaki, Gunma. He won the world super featherweight titles in 1967 and retired in 1971 after a knockout loss to Roberto Durán.
Fight history
75 professional fights. Newest first.
| Result | Opponent | Method | Round | Time | Date | Location | Notes |
|---|---|---|---|---|---|---|---|
| Loss | Roberto Durán | KO | 7 | 16 Oct 1971 | Gimnasio Nuevo, Panama City, Panama | ||
| Loss | Alfredo Marcano | TKO | 10 | 29 Jul 1971 | Prefectural Gymnasium, Aomori City, Japan | Lost WBA and The Ring super featherweight titles | |
| Win | Ricardo Arredondo | Decision (unanimous) | 15 | 4 Mar 1971 | Nihon University Auditorium, Tokyo, Japan | Retained WBA and The Ring super featherweight titles | |
| Win | Shozo Saijo | Decision (split) | 10 | 3 Dec 1970 | Nihon University Auditorium, Tokyo, Japan | ||
| Win | Antonio Amaya | Decision (unanimous) | 15 | 23 Aug 1970 | Korakuen Hall, Tokyo, Japan | Retained WBA and The Ring super featherweight titles | |
| Win | Ray Adigun | Decision (unanimous) | 10 | 21 Jun 1970 | Korakuen Hall, Tokyo, Japan | ||
| Draw | Hiroshi Shoji | Decision (split) | 10 | 15 Feb 1970 | Tokushima City, Japan | ||
| Win | Carlos Cañete | Decision (unanimous) | 15 | 9 Nov 1969 | Nihon University Auditorium, Tokyo, Japan | Retained WBA and The Ring super featherweight titles | |
| Win | Victor Ramos | KO | 2 | 7 Jul 1969 | Japan | ||
| Win | Antonio Amaya | Decision (split) | 15 | 6 Apr 1969 | Kokugikan, Tokyo, Japan | Retained WBA and The Ring super featherweight titles | |
| Win | Turori George | Decision (unanimous) | 10 | 27 Jan 1969 | Korakuen Hall, Tokyo, Japan | ||
| Win | Jaime Valladares | Decision (unanimous) | 15 | 5 Oct 1968 | Nippon Budokan, Tokyo, Japan | Retained WBA, WBC and The Ring super featherweight titles | |
| Loss | Rubén Navarro | Decision (majority) | 10 | 26 Aug 1968 | Korakuen Hall, Tokyo, Japan | ||
| Win | Ulises Botero | KO | 6 | 21 Jul 1968 | Japan | ||
| Loss | Mando Ramos | Decision (unanimous) | 10 | 20 Jun 1968 | Olympic Auditorium, Los Angeles, California, US | ||
| Draw | Rene Barrientos | Decision (majority) | 15 | 30 Mar 1968 | Nippon Budokan, Tokyo, Japan | Retained WBA, WBC and The Ring super featherweight titles | |
| Win | Yoshiaki Numata | KO | 12 | 14 Dec 1967 | Kokugikan, Tokyo, Japan | Won WBA, WBC and The Ring super featherweight titles | |
| Win | Ki Jin Song | KO | 8 | 16 Oct 1967 | Japan | ||
| Win | Chang Soo Yun | KO | 7 | 4 Sep 1967 | Japan | ||
| Win | Dony Tesorio | Decision (unanimous) | 10 | 26 Jun 1967 | Japan | ||
| Win | Takao Mitsuhashi | Decision (unanimous) | 10 | 8 May 1967 | Japan | Retained Japanese featherweight title | |
| Win | Vicente Milan Derado | Decision (unanimous) | 10 | 27 Feb 1967 | Korakuen Hall, Tokyo, Japan | ||
| Win | Kang Il Suh | Decision (unanimous) | 10 | 2 Feb 1967 | Korakuen Hall, Tokyo, Japan | ||
| Win | Chun Kyo Shin | Decision (points) | 10 | 16 Jan 1967 | Japan | ||
| Win | Del Kid Rosario | Decision (points) | 10 | 28 Nov 1966 | Japan | ||
| Win | Sumio Nobata | Decision (points) | 10 | 10 Nov 1966 | Tokoname, Japan | Retained Japanese featherweight title | |
| Win | Nobuo Chiba | Decision (points) | 10 | 10 Oct 1966 | Japan | Retained Japanese featherweight title | |
| Win | Bobby Valdez | TKO (corner retirement) | 7 | 18 Aug 1966 | Olympic Auditorium, Los Angeles, California, US | ||
| Win | Delfino Rosales | KO | 9 | 31 Jul 1966 | Culiacán, Mexico | ||
| Draw | Aurelio Cazares | Decision (points) | 10 | 10 Jul 1966 | Sinaloa de Leyva, Mexico | ||
| Loss | Pedro Gómez | TKO | 7 | 24 Jun 1966 | Nuevo Circo, Caracas, Venezuela | ||
| Loss | Freddie Rengifo | Decision (points) | 10 | 30 May 1966 | Nuevo Circo, Caracas, Venezuela | ||
| Draw | Jaime Valladares | Decision (points) | 10 | 14 May 1966 | Quito, Ecuador | ||
| Win | Hiroshi Mori | Decision (points) | 10 | 31 Mar 1966 | Japan | ||
| Win | Shigeo Shioyama | Decision (points) | 10 | 28 Feb 1966 | Japan | Retained Japanese featherweight title | |
| Win | Katsutoshi Aoki | Decision (points) | 10 | 27 Jan 1966 | Japan | ||
| Win | Orlando Medina | Decision (points) | 10 | 9 Dec 1965 | Japan | ||
| Win | Sugar Cane Carreon | Decision (points) | 10 | 29 Oct 1965 | Japan | ||
| Win | Hyun Kim | Decision (points) | 10 | 23 Sep 1965 | Japan | ||
| Win | Atsushi Gunji | Decision (points) | 10 | 30 Aug 1965 | Japan | Retained Japanese featherweight title | |
| Win | Kunio Sakata | Decision (points) | 10 | 18 Jul 1965 | Japan | ||
| Win | Jong Tae Lim | Decision (points) | 10 | 27 Jun 1965 | Ichinomiya, Japan | ||
| Win | Shigeo Shioyama | Decision (points) | 10 | 9 May 1965 | Japan | Retained Japanese featherweight title | |
| Win | Soo Bok Kwon | KO | 7 | 1 Mar 1965 | Japan | ||
| Win | Yuji Masuko | Decision (unanimous) | 10 | 18 Jan 1965 | Japan | Retained Japanese featherweight title | |
| Win | Hyun Kim | Decision (points) | 10 | 12 Dec 1964 | Maebashi, Japan | ||
| Win | Atsushi Gunji | Decision (points) | 10 | 9 Nov 1964 | Japan | ||
| Win | Yuji Masuko | Decision (points) | 10 | 28 Sep 1964 | Japan | Won Japanese featherweight title | |
| Win | Dong Chun Lee | Decision (points) | 10 | 9 Jul 1964 | Japan | ||
| Win | Kwang Joo Lee | Decision (points) | 10 | 1 Jun 1964 | Japan | ||
| Win | Mitsunori Seki | Decision (points) | 10 | 26 Apr 1964 | Japan | ||
| Win | Porte Villa | Decision (points) | 10 | 13 Apr 1964 | Japan | ||
| Loss | Eduardo Guerrero | Decision (points) | 10 | 20 Feb 1964 | Japan | ||
| Loss | Kang Il Suh | Decision (points) | 10 | 26 Jan 1964 | Osaka, Japan | ||
| Loss | Johnny Jamito | TKO (corner retirement) | 6 | 2 Nov 1963 | Araneta Coliseum, Quezon City, Philippines | ||
| Loss | Manzo Kikuchi | Decision (points) | 10 | 19 Aug 1963 | Japan | For vacant Japanese featherweight title | |
| Win | Toshio Shibazaki | Decision (points) | 8 | 30 Jul 1963 | Japan | ||
| Win | Dommy Balajada | Decision (unanimous) | 10 | 24 Jun 1963 | Japan | ||
| Win | Yuji Masuko | KO | 2 | 13 May 1963 | Japan | ||
| Win | Teruo Hino | Decision (points) | 8 | 2 May 1963 | Japan | ||
| Win | Kazuhiro Furuya | Decision (majority) | 6 | 4 Apr 1963 | Kokugikan, Tokyo, Japan | ||
| Win | Hideo Fukuchi | Decision (unanimous) | 6 | 18 Mar 1963 | Japan | ||
| Win | Isamu Kato | Decision (unanimous) | 6 | 19 Feb 1963 | Japan | ||
| Win | Tsutomu Yoshida | Decision (unanimous) | 6 | 28 Jan 1963 | Japan | ||
| Win | Noriyoshi Toyoshima | Decision (unanimous) | 6 | 31 Dec 1962 | Japan | ||
| Win | Hisao Omori | Decision (unanimous) | 4 | 15 Dec 1962 | Japan | ||
| Win | Saburo Yanagi | Decision (split) | 4 | 29 Nov 1962 | Japan | ||
| Win | Kazuo Hayasako | Decision (unanimous) | 4 | 7 Nov 1962 | Korakuen Gym, Tokyo, Japan | ||
| Win | Masayoshi Otake | Decision (unanimous) | 4 | 16 Oct 1962 | Japan | ||
| Win | Kazuyoshi Ohashi | Decision (unanimous) | 4 | 25 Sep 1962 | Japan | ||
| Win | Kiyokazu Komura | Decision (unanimous) | 4 | 11 Sep 1962 | Japan | ||
| Win | Saburo Yanagi | Decision (unanimous) | 4 | 20 Aug 1962 | Japan | ||
| Win | Yukichi Takase | Decision (unanimous) | 4 | 30 Jul 1962 | Japan | ||
| Win | Michio Ishii | TKO | 2 | 13 Jul 1962 | Japan | ||
| Win | Hisatsugu Kyoya | Decision (majority) | 4 | 2 Jul 1962 | Korakuen Gym, Tokyo, Japan | Pro debut |
Record source: Wikipedia (CC BY-SA 4.0).