Kuniaki Shibata has six losses against six opponents on his boxing record. For a list of Shibata's best fights, refer to "Best fights of Kuniaki Shibata".
On July 5, 1975 Kuniaki Shibata met Alfredo Escalera in a super-featherweight (WBC) world-title defense fight. Shibata was 28 years old and with a record of 44-6-3 (25). Shibata lost the fight via 2nd-round KO and lost the title.
On October 17, 1973 Kuniaki Shibata met Ben Villaflor in a super-featherweight (WBA, The Ring) world-title defense fight. Shibata was 26 years old and with a record of 40-5-3 (24). Shibata lost the fight via 1st-round KO and lost the titles.
On October 7, 1972 Kuniaki Shibata faced off against Andries Steyn at age 25. He was coming in with a record of 36-4-3 (22). Shibata lost the fight via 10-round points decision.
On May 19, 1972 Kuniaki Shibata met Clemente Sánchez in a featherweight (WBC, The Ring) world-title defense fight. Shibata was 25 years old and with a record of 35-3-3 (22). Shibata lost the fight via 3rd-round KO and lost the titles.
On January 15, 1969 Kuniaki Shibata faced off against Hubert Kang in a featherweight bout at age 21. He was coming in with a record of 23-2-1 (15). Shibata lost the fight via 6th-round KO.
On March 27, 1968 Kuniaki Shibata faced off against Dwight Hawkins at age 20. He was coming in with a record of 21-1 (15). Shibata lost the fight via 7th-round KO.