Aleksei Oleinik
21–12–0 · Heavyweight · Age 49 · 17 UFC fights
Skill (today)
+1.38
Uncertainty (σ)
1.19
As of
2026-09-13
Skill trajectory
Line: estimated skill after each fight. Band: ±1σ uncertainty.
Fight ledger
| Date | Opponent | Result | Method | Event | Model P(win), pre-fight |
|---|---|---|---|---|---|
| 2025-04-04 | Gerônimo dos Santos | Loss | TKO | BKFC 71: Trout vs. Trinidad-Snake | |
| 2023-12-15 | Fernando Rodrigues Jr. | Win | SUB | RCC 17 | |
| 2023-08-26 | Tagir Dzoblaev | Win | TKO | Oleinik vs. Dzoblaev | |
| 2023-05-26 | Oli Thompson | Loss | TKO | Unknown | |
| 2022-10-01 | Ilir Latifi | Loss | U-DEC | UFC Fight Night | 45% |
| 2022-04-09 | Jared Vanderaa | Win | SUB | UFC 273 | 48% |
| 2021-06-19 | Serghei Spivac | Loss | U-DEC | UFC Fight Night | 31% |
| 2021-02-20 | Chris Daukaus | Loss | KO/TKO | UFC Fight Night | 41% |
| 2020-08-08 | Derrick Lewis | Loss | KO/TKO | UFC Fight Night | 37% |
| 2020-05-09 | Fabrício Werdum | Win | S-DEC | UFC 249: Ferguson vs. Gaethje | 34% |
| 2020-01-18 | Maurice Greene | Win | SUB | UFC 246: McGregor vs. Cerrone | 41% |
| 2019-12-12 | Gordon Ryan | Loss | SUB | Quintet Ultra | |
| 2019-07-20 | Walt Harris | Loss | KO/TKO | UFC on ESPN 4 | 43% |
| 2019-04-20 | Alistair Overeem | Loss | KO/TKO | UFC on ESPN+ 7 | 44% |
| 2018-09-15 | Mark Hunt | Win | SUB | UFC Fight Night 136 | 67% |
| 2018-05-12 | Júnior Albini | Win | SUB | UFC 224: Nunes vs. Pennington | 51% |
| 2017-11-04 | Curtis Blaydes | Loss | KO/TKO | UFC 217: Bisping vs. St. Pierre | 41% |
| 2017-07-08 | Travis Browne | Win | SUB | UFC 213: Romero vs. Whittaker | 58% |
| 2017-01-15 | Viktor Pešta | Win | SUB | UFC Fight Night 103 | 46% |
| 2016-07-13 | Daniel Omielańczuk | Loss | M-DEC | UFC Fight Night 91 | 51% |
| 2014-11-22 | Jared Rosholt | Win | KO/TKO | UFC Fight Night 57 | 30% |
| 2014-06-28 | Anthony Hamilton | Win | SUB | UFC Fight Night 44 | |
| 2013-11-08 | Mirko Filipović | Win | SUB | Legend 2: Invasion | |
| 2013-10-16 | Dion Staring | Win | SUB | ProFC 50: Oleinik vs. Staring | |
| 2013-06-20 | Jeff Monson | Win | SUB | Oplot Challenge 67 | |
| 2013-04-20 | Tony Lopez | Win | SUB | Oplot Challenge 53 | |
| 2013-03-16 | Leo Pla | Win | TKO | Oplot Challenge 43 | |
| 2012-11-10 | Martin Hudey | Win | SUB | Oplot Challenge 12 | |
| 2012-09-15 | Mike Stewart | Win | SUB | WCMMA 1: Portugal vs. USA | |
| 2012-05-13 | Jerry Otto | Win | SUB | Oplot Challenge 2 | |
| 2012-03-25 | Sergey Terezimov | Win | SUB | Oplot Challenge 1 | |
| 2012-03-16 | Jeff Monson | Loss | DEC | M-1 Challenge 31 | |
| 2011-07-22 | Magomed Malikov | Loss | TKO | Fight Stars | |
| 2011-06-26 | Ernest Kostanyan | Win | SUB | Razdolie Cup 2011 | |
| 2010-09-16 | Neil Grove | Loss | TKO | Bellator 29 | |
| 2010-08-26 | Mike Hayes | Win | DEC | Bellator 26 |