On May 18, 2024, a 41-year-old Sergey Kovalev (35-4-1, 29 KOs) and Robin Sirwan Safar met in the ring in a cruiserweight bout.
Kovalev came in to the fight on a 1-fight win streak with a 72% KO rate, and was fighting after a gap of 2 years and 4 days.
Sergey Kovalev lost to Robin Sirwan Safar via unanimous decision in the 10-round cruiserweight fight, and adds an loss to his record at 35-5-1.
On November 2, 2019, the 36-year-old WBO light-heavyweight world champion, Sergey Kovalev (34-3-1, 29 KOs), faced a 29-year-old Mexican boxer Canelo Álvarez (52-1-2, 35 KOs), in a title defense fight.
Kovalev came in to the fight on a 2-fight win streak with a 76% KO rate, and was fighting after a gap of 2 months and 9 days. Canelo was on a 3-fight win streak with a 63% KO rate, and fighting after a layoff of 5 months and 29 days.
Canelo Álvarez stopped the champion via KO in the 11th round of the 12-round world-title fight, and is crowned the new WBO light-heavyweight champion. Canelo improves his record to 53-1-2 (36 KOs), while Kovalev adds a loss to his record at 34-4-1.
On August 4, 2018, the 35-year-old WBO light-heavyweight world champion, Sergey Kovalev (32-2-1, 28 KOs), faced a 34-year-old Colombian boxer Eleider Álvarez (23-0, 11 KOs), in a title defense fight.
Kovalev came in to the fight on a 2-fight win streak with a 80% KO rate, and was fighting after a gap of 5 months and 1 day. Álvarez was on a 23-fight win streak with a 47% KO rate, and fighting after a layoff of 1 year, 2 months, and 1 day.
Eleider Álvarez stopped the champion via TKO in the 7th round of the 12-round world-title fight, winning the first world title of his career, and is crowned the new WBO light-heavyweight champion. Álvarez improves his record to 24-0 (12 KOs), while Kovalev adds a loss to his record at 32-3-1.
On June 17, 2017, Sergey Kovalev and Andre Ward met again in an immediate rematch.
Kovalev came in to the fight on a 1-fight losing streak with a 81% KO rate, and was fighting after a gap of 6 months and 29 days. Ward was on a 31-fight win streak with a 48% KO rate, and fighting after a layoff of 6 months and 29 days.
In the rematch, Andre Ward stopped Sergey Kovalev via TKO in the 8th round of the 12-round world-title fight, and successfully defended his WBA (Super), IBF, and WBO light-heavyweight titles. Ward improves his record to 32-0 (16 KOs), while Kovalev adds a loss to his record at 30-2-1.
On November 19, 2016, the 33-year-old WBA (Super), IBF, and WBO light-heavyweight world champion, Sergey Kovalev (30-0-1, 26 KOs), faced a 32-year-old American boxer Andre Ward (30-0, 15 KOs), in a title defense fight.
Kovalev came in to the fight on a 14-fight win streak with a 83% KO rate, and was fighting after a gap of 4 months and 8 days. Ward was on a 30-fight win streak with a 50% KO rate, and fighting after a layoff of 3 months and 13 days.
Andre Ward defeated Sergey Kovalev via unanimous decision and wins the WBA (Super), IBF, and WBO titles. Ward improves his record to 31-0, while Kovalev adds a loss to his record at 30-1-1.