Chango Carmona vs. Shinichi Kadota

Chango Carmona 139 lbs lost to Yasuaki Kadota 138 lbs by KO at 2:43 in round 7 of 10

• Date: 1973-07-31
• Location: Honolulu International Center, Honolulu, Hawaii, USA

"Japanese lightweight Shinichi Kadota upset former WBC lightweight champ Chango Carmona of Mexico with a 7th round knockout here Tuesday. Kadota, 137 3/4, sent Carmona, 139, to the canvas at 2:43 of the 7th with a right hook." -Associated Press

• Carmona was ordered to the hospital for a urine test by Bobby Lee, the WBA president and Exective Secretary of the Hawaiian State Boxing Commission. Lee said he wanted to determine if Carmona had been drugged.