Sergey Kovalev has five losses against four opponents on his boxing record. For a list of Kovalev's best fights, refer to "Best fights of Sergey Kovalev".
On May 18, 2024 Sergey Kovalev faced off against Robin Sirwan Safar in a cruiserweight bout at age 41. He was coming in with a record of 35-5-1 (29). Kovalev lost the fight via 10-round unanimous decision.
On November 2, 2019 Sergey Kovalev met Canelo Álvarez in a light-heavyweight (WBO) world-title defense fight. Kovalev was 36 years old and with a record of 34-4-1 (29), and Álvarez was 29 years old and with a record of 52-1-2 (35). Kovalev lost the fight via 11th-round KO and lost the title.
On August 4, 2018 Sergey Kovalev met Eleider Álvarez in a light-heavyweight (WBO) world-title defense fight. Kovalev was 35 years old and with a record of 32-3-1 (28), and Álvarez was 34 years old and with a record of 23-0 (11). Kovalev lost the fight via 7th-round TKO and lost the title.
On June 17, 2017 Sergey Kovalev fought Andre Ward in a light-heavyweight world-title fight for the WBA (Super), IBF, WBO and The Ring titles. Kovalev was 34 years old and with a record of 30-2-1 (26), and Ward was 33 years old and with a record of 31-0 (15). Kovalev lost the fight via 8th-round TKO.
On November 19, 2016 Sergey Kovalev met Andre Ward in a light-heavyweight (WBA (Super), IBF, WBO) world-title defense fight. Kovalev was 33 years old and with a record of 30-1-1 (26), and Ward was 32 years old and with a record of 30-0 (15). Kovalev lost the fight via 12-round unanimous decision and lost the titles.
