On June 21, 2019, a 22-year-old Elwin Soto (14-1, 10 KOs) got a shot at the WBO light-flyweight title held by 28-year-old Puerto Rican boxer Ángel Acosta (20-1, 20 KOs).
Soto came in to the fight on a 12-fight win streak with a 66% KO rate, and was fighting after a gap of 1 month and 17 days. Acosta was on a 4-fight win streak with a 95% KO rate, and fighting after a layoff of 2 months and 22 days.
Elwin Soto stopped the champion via KO in the final round of the 12-round world-title fight, winning the first world title of his career, and is crowned the new WBO light-flyweight champion. Soto improves his record to 15-1 (11 KOs), while Acosta adds a loss to his record at 20-2.
On May 8, 2021, the 24-year-old WBO light-flyweight world champion, Elwin Soto (18-1, 12 KOs), faced Katsunari Takayama, in a title defense fight.
Soto came in to the fight on a 16-fight win streak with a 63% KO rate, and was fighting after a gap of 6 months and 8 days.
Elwin Soto stopped Katsunari Takayama via TKO in the 9th round of the 12-round world-title fight, and successfully defended his WBO light-flyweight title. Soto improves his record to 19-1 (13 KOs)
On October 30, 2020, the 23-year-old WBO light-flyweight world champion, Elwin Soto (17-1, 12 KOs), faced Carlos Buitrago, in a title defense fight.
Soto came in to the fight on a 15-fight win streak with a 66% KO rate, and was fighting after a gap of 8 months and 15 days.
Elwin Soto defeated Carlos Buitrago via unanimous decision and successfully defended his WBO light-flyweight title. Soto improves his record to 18-1
On October 24, 2019, the 22-year-old WBO light-flyweight world champion, Elwin Soto (15-1, 11 KOs), faced Edward Heno, in a title defense fight.
Soto came in to the fight on a 13-fight win streak with a 68% KO rate, and was fighting after a gap of 4 months and 3 days.
Elwin Soto defeated Edward Heno via unanimous decision and successfully defended his WBO light-flyweight title. Soto improves his record to 16-1
On February 16, 2019, a 22-year-old Elwin Soto (12-1, 8 KOs) and Edgar Ornelas met in the ring.
Soto came in to the fight on a 10-fight win streak with a 61% KO rate, and was fighting after a gap of 1 month and 25 days.
Elwin Soto stopped Edgar Ornelas via TKO in the 1st round. Soto improves his record to 13-1 (9 KOs)
On May 13, 2017, a 20-year-old Elwin Soto (4-1, 2 KOs) and Bryan Hernandez met in the ring.
Soto came in to the fight on a 2-fight win streak with a 40% KO rate, and was fighting after a gap of 1 month and 6 days.
Elwin Soto stopped Bryan Hernandez via TKO in the 1st round. Soto improves his record to 5-1 (3 KOs)
On March 25, 2017, a 20-year-old Elwin Soto (2-1, 1 KO) and Alejandro Esqueda met in the ring.
Soto came in to the fight on a 1-fight losing streak with a 33% KO rate, and was fighting after a gap of 1 month and 14 days.
Elwin Soto stopped Alejandro Esqueda via TKO in the 1st round. Soto improves his record to 3-1 (2 KOs)
On February 15, 2020, a 23-year-old Elwin Soto (16-1, 11 KOs) and Javier Alejandro Rendon met in the ring.
Soto came in to the fight on a 14-fight win streak with a 64% KO rate, and was fighting after a gap of 3 months and 22 days.
Elwin Soto stopped Javier Alejandro Rendon via KO in the 1st round. Soto improves his record to 17-1 (12 KOs)
On November 19, 2016, a 19-year-old Elwin Soto (1-0, 0 KOs) and Erick Jovani Negrete met in the ring.
Soto came in to the fight on a 1-fight win streak with a 0% KO rate, and was fighting after a gap of 1 month and 4 days.
Elwin Soto stopped Erick Jovani Negrete via TKO in the 1st round. Soto improves his record to 2-0 (1 KO)
On October 16, 2021, the 24-year-old WBO light-flyweight world champion, Elwin Soto (19-1, 13 KOs), faced a 30-year-old Puerto Rican boxer Jonathan González (24-3-1, 14 KOs), in a title defense fight.
Soto came in to the fight on a 17-fight win streak with a 65% KO rate, and was fighting after a gap of 5 months and 8 days. González was on a 2-fight win streak with a 50% KO rate, and fighting after a layoff of 4 months and 25 days.
Jonathan González defeated Elwin Soto via split decision and wins the WBO title — in his first world-title fight. González improves his record to 25-3-1, while Soto adds a loss to his record at 19-2.