On May 25, 2016, a 19-year-old Hector Tanajara Jr. (5-0, 3 KOs) and Francisco Medel met in the ring.
Tanajara Jr. came in to the fight on a 5-fight win streak with a 60% KO rate, and was fighting after a gap of 3 months and 20 days.
Hector Tanajara Jr. stopped Francisco Medel via TKO in the 1st round. Tanajara Jr. improves his record to 6-0 (4 KOs)
On February 22, 2018, a 21-year-old Hector Tanajara Jr. (11-0, 4 KOs) and Eduardo Rivera met in the ring.
Tanajara Jr. came in to the fight on a 11-fight win streak with a 36% KO rate, and was fighting after a gap of 3 months and 20 days.
Hector Tanajara Jr. stopped Eduardo Rivera via KO in the 1st round. Tanajara Jr. improves his record to 12-0 (5 KOs)
On June 23, 2018, a 21-year-old Hector Tanajara Jr. (13-0, 5 KOs) and a 23-year-old Venezuelan boxer Roger Gutierrez (19-1-1, 16 KOs) met in the ring.
Tanajara Jr. came in to the fight on a 13-fight win streak with a 38% KO rate, and was fighting after a gap of 2 months and 17 days. Gutiérrez was on a 4-fight win streak with a 76% KO rate, and fighting after a layoff of 30 days.
Hector Tanajara Jr. defeated Roger Gutierrez via unanimous decision in the 8-round fight. Tanajara Jr. improves his record to 14-0, while Gutiérrez adds a loss to his record at 19-2-1.
On November 21, 2015, an 18-year-old Hector Tanajara Jr. (3-0, 2 KOs) and Jose Fabian Naranjo met in the ring.
Tanajara Jr. came in to the fight on a 3-fight win streak with a 66% KO rate, and was fighting after a gap of 15 days.
Hector Tanajara Jr. stopped Jose Fabian Naranjo via KO in the 1st round. Tanajara Jr. improves his record to 4-0 (3 KOs)
On November 6, 2015, an 18-year-old Hector Tanajara Jr. (2-0, 1 KO) and Ricardo Alvarado met in the ring.
Tanajara Jr. came in to the fight on a 2-fight win streak with a 50% KO rate, and was fighting after a gap of 1 month and 19 days.
Hector Tanajara Jr. stopped Ricardo Alvarado via KO in the 1st round. Tanajara Jr. improves his record to 3-0 (2 KOs)
On January 11, 2020, a 23-year-old Hector Tanajara Jr. (18-0, 5 KOs) and Juan Carlos Burgos met in the ring in a lightweight bout.
Tanajara Jr. came in to the fight on a 18-fight win streak with a 27% KO rate, and was fighting after a gap of 5 months and 1 day.
Hector Tanajara Jr. defeated Juan Carlos Burgos via unanimous decision in the 10-round lightweight fight. Tanajara Jr. improves his record to 19-0
On August 10, 2019, a 22-year-old Hector Tanajara Jr. (17-0, 5 KOs) and Ezequiel Aviles met in the ring in a lightweight bout.
Tanajara Jr. came in to the fight on a 17-fight win streak with a 29% KO rate, and was fighting after a gap of 5 months and 18 days.
Hector Tanajara Jr. defeated Ezequiel Aviles via unanimous decision in the 10-round lightweight fight. Tanajara Jr. improves his record to 18-0
On November 18, 2022, a 25-year-old Hector Tanajara Jr. (19-1-1, 5 KOs) and Antonio Mejia met in the ring.
Tanajara Jr. came in to the fight after a draw in his last fight with a 23% KO rate, and was fighting after a gap of 8 months and 14 days.
Hector Tanajara Jr. stopped Antonio Mejia via RTD in the 5th round. Tanajara Jr. improves his record to 20-1-1 (6 KOs)
On March 12, 2023, a 26-year-old Hector Tanajara Jr. (20-1-1, 6 KOs) and John Arellano met in the ring.
Tanajara Jr. came in to the fight on a 1-fight win streak with a 27% KO rate, and was fighting after a gap of 3 months and 22 days.
Hector Tanajara Jr. defeated John Arellano via unanimous decision in the 6-round fight. Tanajara Jr. improves his record to 21-1-1
On December 8, 2018, a 21-year-old Hector Tanajara Jr. (15-0, 5 KOs) and Robert Manzanarez met in the ring.
Tanajara Jr. came in to the fight on a 15-fight win streak with a 33% KO rate, and was fighting after a gap of 3 months and 28 days.
Hector Tanajara Jr. defeated Robert Manzanarez via unanimous decision in the 10-round fight. Tanajara Jr. improves his record to 16-0