Aleksei Oleinik has 18 losses against 18 opponents on his MMA record. For a list of Oleinik's best fights, refer to "Best fights of Aleksei Oleinik".
On May 26, 2023 Aleksei Oleinik faced off against Oli Thompson in a heavyweight bout at age 45. He was coming in with a record of 60-18-1 (55), and Thompson was 43 years old and with a record of 21-16 (17). Oleinik lost the fight via 1st-round KO.
On October 1, 2022 Aleksei Oleinik faced off against Ilir Latifi in a heavyweight bout at age 45. He was coming in with a record of 60-17-1 (55), and Latifi was 39 years old and with a record of 15-8 (9). Oleinik lost the fight via 3-round unanimous decision.
On June 19, 2021 Aleksei Oleinik faced off against Serghei Spivac in a heavyweight bout at age 43. He was coming in with a record of 59-16-1 (54), and Spivac was 26 years old and with a record of 12-2 (10). Oleinik lost the fight via 3-round unanimous decision.
On February 20, 2021 Aleksei Oleinik faced off against Chris Daukaus in a heavyweight bout at age 43. He was coming in with a record of 59-15-1 (54), and Daukaus was 31 years old and with a record of 10-3 (9). Oleinik lost the fight via 1st-round TKO.
On August 8, 2020 Aleksei Oleinik faced off against Derrick Lewis in a heavyweight bout at age 43. He was coming in with a record of 59-14-1 (54), and Lewis was 35 years old and with a record of 23-7 (19). Oleinik lost the fight via 2nd-round TKO.
On July 20, 2019 Aleksei Oleinik faced off against Walt Harris in a heavyweight bout at age 42. He was coming in with a record of 57-13-1 (53), and Harris was 36 years old and with a record of 12-7 (12). Oleinik lost the fight via 1st-round KO.
On April 20, 2019 Aleksei Oleinik faced off against Alistair Overeem in a heavyweight bout at age 41. He was coming in with a record of 57-12-1 (53), and Overeem was 38 years old and with a record of 44-17 (39). Oleinik lost the fight via 1st-round TKO.
On November 4, 2017 Aleksei Oleinik faced off against Curtis Blaydes in a heavyweight bout at age 40. He was coming in with a record of 55-11-1 (51), and Blaydes was 26 years old and with a record of 7-1 (6). Oleinik lost the fight via 2nd-round TKO.
On July 13, 2016 Aleksei Oleinik faced off against Daniel Omielańczuk in a heavyweight bout at age 39. He was coming in with a record of 53-10-1 (49), and Omielańczuk was 33 years old and with a record of 18-5-1 (12). Oleinik lost the fight via 3-round majority decision.
On March 16, 2012 Aleksei Oleinik faced off against Jeff Monson in a heavyweight bout at age 34. He was coming in with a record of 42-9-1 (38), and Monson was 41 years old and with a record of 43-13 (28). Oleinik lost the fight via 3-round split decision.
On July 22, 2011 Aleksei Oleinik faced off against Magomed Malikov in a heavyweight bout at age 34. He was coming in with a record of 42-8-1 (38). Oleinik lost the fight via 1st-round TKO.
On September 16, 2010 Aleksei Oleinik faced off against Neil Grove in a heavyweight bout at age 33. He was coming in with a record of 41-7-1 (37), and Grove was 39 years old and with a record of 9-2-1 (9). Oleinik lost the fight via 1st-round TKO.
On November 28, 2009 Aleksei Oleinik faced off against Michał Kita in a heavyweight bout at age 32. He was coming in with a record of 40-6-1 (37). Oleinik lost the fight via 1st-round TKO.
On September 13, 2008 Aleksei Oleinik faced off against Konstantyn Stryzhak in a heavyweight bout at age 31. He was coming in with a record of 31-5 (28). Oleinik lost the fight via 1st-round TKO.
On April 11, 2008 Aleksei Oleinik faced off against Chris Tuchscherer in a heavyweight bout at age 30. He was coming in with a record of 28-4 (27), and Tuchscherer was 32 years old and with a record of 16-0 (13). Oleinik lost the fight via 1-round unanimous decision.
On December 2, 2006 Aleksei Oleinik faced off against Chael Sonnen in a light-heavyweight bout at age 29. He was coming in with a record of 17-3 (16), and Sonnen was 29 years old and with a record of 17-8-1 (7). Oleinik lost the fight via 3-round unanimous decision.
On October 9, 2004 Aleksei Oleinik faced off against Flavio Luiz Moura in a middleweight bout at age 27. He was coming in with a record of 13-2 (12). Oleinik lost the fight via 1st-round choke-out.
On April 30, 1997 Aleksei Oleinik faced off against Leonid Efremov in a heavyweight bout at age 19. He was coming in with a record of 4-1 (4). Oleinik lost the fight via 1st-round submission.
