Hiroshi Kobayashi
World title reigns and bouts
(23 years old)
(24 years old)
(25 years old)
(26 years old)
Timeline of world title events
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14 Dec 1967
Hiroshi Kobayashi beats Yoshiaki Numata via knockout 12/15
Hiroshi Kobayashi becomes the RING, WBA and WBC Super Featherweight world champion
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30 Mar 1968
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5 Oct 1968
Hiroshi Kobayashi beats Jaime Valladares via unanimous decision 15/15
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18 Jan 1969
Hiroshi Kobayashi's WBC Super Featherweight world title reign ends
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6 Apr 1969
Hiroshi Kobayashi beats Antonio Amaya via split decision 15/15
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9 Nov 1969
Hiroshi Kobayashi beats Carlos Ruben Canete via unanimous decision 15/15
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23 Aug 1970
Hiroshi Kobayashi beats Antonio Amaya via unanimous decision 15/15
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4 Mar 1971
Hiroshi Kobayashi beats Ricardo Arredondo via unanimous decision 15/15
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29 Jul 1971