On September 25, 2021, a 33-year-old Lenin Castillo (21-3-1, 16 KOs) and a 31-year-old British boxer Callum Smith (27-1, 19 KOs) met in the ring in a light-heavyweight bout.
Castillo came in to the fight on a 1-fight win streak with a 64% KO rate, and was fighting after a gap of 2 months and 4 days. Smith was on a -1-fight win streak with a 67% KO rate, and fighting after a layoff of 9 months and 6 days.
Callum Smith stopped Lenin Castillo via KO in the 2nd round. Smith improves his record to 28-1 (20 KOs), while Castillo adds a loss to his record at 21-4-1.
On October 12, 2019, a 31-year-old Lenin Castillo (20-2-1, 15 KOs) and a 28-year-old Russian boxer Dmitry Bivol (16-0, 11 KOs) met in the ring.
Castillo came in to the fight on a 2-fight win streak with a 65% KO rate, and was fighting after a gap of 6 months and 26 days. Bivol was on a 16-fight win streak with a 68% KO rate, and fighting after a layoff of 7 months and 3 days.
Dmitry Bivol defeated Lenin Castillo via unanimous decision in the 12-round light-heavyweight fight. Bivol improves his record to 17-0, while Castillo adds a loss to his record at 20-3-1.
On August 4, 2018, a 29-year-old Lenin Castillo (18-1-1, 13 KOs) and a 27-year-old American boxer Marcus Browne (21-0, 16 KOs) met in the ring.
Castillo came in to the fight on a 3-fight win streak with a 65% KO rate, and was fighting after a gap of 3 months and 28 days. Browne was on a 21-fight win streak with a 76% KO rate, and fighting after a layoff of 6 months and 15 days.
Marcus Browne defeated Gilbert Lenin Castillo via unanimous decision in the 10-round fight. Browne improves his record to 22-0, while Castillo adds a loss to his record at 18-2-1.
On February 10, 2017, a 28-year-old Lenin Castillo (15-0-1, 10 KOs) and Joseph Williams met in the ring.
Castillo came in to the fight on a 3-fight win streak with a 62% KO rate, and was fighting after a gap of 4 months and 25 days.
Lenin Castillo lost to Joseph Williams via majority decision in the 8-round fight, and adds an loss to his record at 15-1-1.