On September 18, 1963, a 23-year-old Hiroyuki Ebihara (36-1-1, 20 KOs) got a shot at the undisputed flyweight championship held by 28-year-old Pone Kingpetch (26-4, 8 KOs).
Ebihara came in to the fight on a 24-fight win streak with a 52% KO rate, and was fighting after a gap of 1 month and 17 days. Kingpetch was on a 1-fight win streak with a 26% KO rate, and fighting after a layoff of 8 months and 6 days.
Hiroyuki Ebihara made quick work of Pone Kingpetch, stopping the champion via KO in the 1st. Ebihara improves his record to 37-1-1 (21 KOs), while Kingpetch adds a loss to his record at 26-5.
On March 30, 1969, 29-year-old Hiroyuki Ebihara (60-4-1, 32 KOs) and Jose Severino fought for the vacant WBA flyweight title.
Ebihara came in to the fight on a 5-fight win streak with a 49% KO rate, and was fighting after a gap of 3 months and 7 days.
Hiroyuki Ebihara defeated Jose Severino via unanimous decision . Ebihara improves his record to 61-4-1
On May 7, 1965, a 25-year-old Hiroyuki Ebihara (47-2-1, 25 KOs) and Efren Torres met in the ring for the 2nd time,.
Ebihara came in to the fight on a 9-fight win streak with a 50% KO rate, and was fighting after a gap of 1 month and 9 days.
In the rematch, Hiroyuki Ebihara stopped Efren Torres via TKO in the 7th round. Ebihara improves his record to 48-2-1 (26 KOs)
On July 15, 1966, a 26-year-old Hiroyuki Ebihara (52-2-1, 28 KOs) got a shot at the undisputed flyweight championship held by 31-year-old Horacio Accavallo (69-1-6, 33 KOs).
Ebihara came in to the fight on a 14-fight win streak with a 50% KO rate, and was fighting after a gap of 2 months and 21 days. Accavallo was on a 42-fight win streak with a 43% KO rate, and fighting after a layoff of 2 months and 2 days.
Horacio Accavallo defeated Hiroyuki Ebihara via unanimous decision and successfully defended his WBA and WBC flyweight titles. Accavallo improves his record to 70-1-6, while Ebihara adds a loss to his record at 52-3-1.
On September 6, 1962, a 22-year-old Hiroyuki Ebihara (26-1-1, 14 KOs) and Ray Perez met in the ring.
Ebihara came in to the fight on a 14-fight win streak with a 50% KO rate, and was fighting after a gap of 24 days.
Hiroyuki Ebihara stopped Ray Perez via KO in the 8th round. Ebihara improves his record to 27-1-1 (15 KOs)
On September 28, 1962, a 22-year-old Hiroyuki Ebihara (27-1-1, 15 KOs) and Shinsuke Taniwaki met in the ring.
Ebihara came in to the fight on a 15-fight win streak with a 51% KO rate, and was fighting after a gap of 22 days.
Hiroyuki Ebihara stopped Shinsuke Taniwaki via TKO in the 1st round. Ebihara improves his record to 28-1-1 (16 KOs)
On December 15, 1961, a 21-year-old Hiroyuki Ebihara (18-1-1, 8 KOs) and Kazuyoshi Yamakawa met in the ring.
Ebihara came in to the fight on a 6-fight win streak with a 40% KO rate, and was fighting after a gap of 1 month and 15 days.
Hiroyuki Ebihara stopped Kazuyoshi Yamakawa via TKO in the 1st round. Ebihara improves his record to 19-1-1 (9 KOs)
On July 17, 1963, a 23-year-old Hiroyuki Ebihara (34-1-1, 18 KOs) and Young Bonnie met in the ring.
Ebihara came in to the fight on a 22-fight win streak with a 50% KO rate, and was fighting after a gap of 3 months and 20 days.
Hiroyuki Ebihara stopped Young Bonnie via KO in the 1st round. Ebihara improves his record to 35-1-1 (19 KOs)
On October 19, 1969, the 29-year-old WBA flyweight world champion, Hiroyuki Ebihara (62-4-1, 33 KOs), faced Bernabe Villacampo, in a title defense fight.
Ebihara came in to the fight on a 7-fight win streak with a 49% KO rate, and was fighting after a gap of 3 months and 19 days.
Hiroyuki Ebihara was defending his flyweight WBA titles against Bernabe Villacampo and lost via unanimous decision in the 15-round flyweight fight, and adds an loss to his record at 62-5-1.
On June 30, 1969, a 29-year-old Hiroyuki Ebihara (61-4-1, 32 KOs) and Jose Garcia Lopez met in the ring.
Ebihara came in to the fight on a 6-fight win streak with a 48% KO rate, and was fighting after a gap of 3 months.
Hiroyuki Ebihara stopped Jose Garcia Lopez via KO in the 2nd round. Ebihara improves his record to 62-4-1 (33 KOs)