Hector Tanajara Jr. has one loss against one opponent on his boxing record. For a list of Tanajara Jr.'s best fights, refer to "Best fights of Hector Tanajara Jr.".
On July 9, 2021 Hector Tanajara Jr. faced off against William Zepeda at age 24. He was coming in with a record of 19-1 (5), and Zepeda was 25 years old and with a record of 22-0 (20). Tanajara Jr. lost the fight via 6th-round retirement.
