The Boa Constrictor
Aleksei Oleinik
62 - 18 - 1
Heavyweight
Height
6'2" (188cm)
Reach
80.0" (203cm)
View All Stats
Height
6'2" (188cm)
Reach
80.0" (203cm)
Division
Heavyweight
Born
1977-06-25
Birthplace
Kharkiv, Ukraine
Fighting Out Of
Moscow, Russia
Team(s)
RusFighters MMA
Overall Record
62 - 18 - 1
Winning Method
7.9%
Dec.
Decision
5 / 63
63.5%
Sub.
Submission
40 / 63
12.7%
KO
KO
8 / 63
Losing Method
33.3%
Dec.
Decision
6 / 18
11.1%
Sub.
Submission
2 / 18
50%
KO
KO
9 / 18
Past Fights
July 11, 2026
Open Fighting Championship 67
Antonio Zovak
Win (61-18-1)Ezekiel Choke • Round 1 (1:03)
December 15, 2023
RCC 17
Fernando Rodrigues Jr.
Win (60-18-1)Arm Triangle Choke • Round 2 (2:27)
October 1, 2022
UFC Fight Night
Ilir Latifi
Loss (60-16-1)Decision
View All 82 Fights
July 11, 2026
Open Fighting Championship 67
Antonio Zovak
Win (61-18-1)Ezekiel Choke • Round 1 (1:03)
December 15, 2023
RCC 17
Fernando Rodrigues Jr.
Win (60-18-1)Arm Triangle Choke • Round 2 (2:27)
October 1, 2022
UFC Fight Night
Ilir Latifi
Loss (60-16-1)Decision
April 9, 2022
UFC 273
Jared Vanderaa
Win (59-16-1)Neck Crank From Scarf Hold • Round 1 (3:39)
June 19, 2021
UFC Fight Night
Serghei Spivac
Loss (59-15-1)Decision
February 20, 2021
UFC Fight Night
Chris Daukaus
Loss (59-14-1)Knees & Punches (Standing TKO) • Round 1 (1:55)
August 8, 2020
UFC Fight Night
Derrick Lewis
Loss (59-13-1)Right Hook to Ground & Pound • Round 2 (0:21)
May 9, 2020
UFC 249: Ferguson vs. Gaethje
Fabricio Werdum
Win (58-13-1)Decision
January 18, 2020
UFC 246: McGregor vs. Cerrone
Maurice Greene
Win (57-13-1)Armbar • Round 2 (4:38)
July 20, 2019
UFC on ESPN 4
Walt Harris
Loss (57-12-1)Flying Knee & Left Cross • Round 1 (0:12)
April 20, 2019
UFC on ESPN+ 7
Alistair Overeem
Loss (57-11-1)Knees & Ground & Pound • Round 1 (4:45)
September 15, 2018
UFC Fight Night 136
Mark Hunt
Win (56-11-1)Rear Naked Choke • Round 1 (4:26)
May 12, 2018
UFC 224: Nunes vs. Pennington
Junior Albini
Win (55-11-1)Ezekiel Choke From Bottom • Round 1 (1:45)
November 4, 2017
UFC 217: Bisping vs. St. Pierre
Curtis Blaydes
Loss (55-10-1)Doctor Stoppage • Round 2 (1:56)
July 8, 2017
UFC 213: Romero vs. Whittaker
Travis Browne
Win (54-10-1)Neck Crank • Round 2 (3:44)
January 15, 2017
UFC Fight Night 103
Viktor Pesta
Win (53-10-1)Ezekiel Choke • Round 1 (2:57)
July 13, 2016
UFC Fight Night 91
Daniel Omielanczuk
Loss (53-9-1)Decision
November 22, 2014
UFC Fight Night 57
Jared Rosholt
Win (52-9-1)Punch • Round 1 (3:21)
June 28, 2014
UFC Fight Night 44
Anthony Hamilton
Win (51-9-1)Neck Crank • Round 1 (2:18)
November 8, 2013
Legend 2: Invasion
Mirko Filipovic
Win (50-9-1)Neck Crank • Round 1 (4:42)
October 16, 2013
ProFC 50: Oleinik vs. Staring
Dion Staring
Win (49-9-1)Arm Triangle Choke • Round 1 (1:41)
June 20, 2013
Oplot Challenge 67
Jeff Monson
Win (48-9-1)Rear Naked Choke • Round 2 (3:28)
April 20, 2013
Oplot Challenge 53
Tony Lopez
Win (47-9-1)Triangle Choke • Round 3 (3:19)
March 16, 2013
Oplot Challenge 43
Leo Pla
Win (46-9-1)Punches • Round 1 (2:56)
November 10, 2012
Oplot Challenge 12
Martin Hudey
Win (45-9-1)Rear Naked Choke • Round 1 (1:48)
September 15, 2012
WCMMA 1: Portugal vs. USA
Mike Stewart
Win (44-9-1)Ezekiel Choke • Round 2 (1:03)
May 13, 2012
Oplot Challenge 2
Jerry Otto
Win (43-9-1)Ezekiel Choke • Round 1 (2:20)
March 25, 2012
Oplot Challenge 1
Sergey Terezimov
Win (42-9-1)Armbar • Round 1 (1:04)
March 16, 2012
M-1 Challenge 31
Jeff Monson
Loss (42-8-1)Decision
July 22, 2011
Fight Stars
Magomed Malikov
Loss (42-7-1)Punches • Round 1 (2:39)
June 26, 2011
Razdolie Cup 2011
Ernest Kostanyan
Win (41-7-1)Rear Naked Choke • Round 1 (1:22)
September 16, 2010
Bellator 29
Neil Grove
Loss (41-6-1)Punches • Round 1 (0:45)
August 26, 2010
Bellator 26
Mike Hayes
Win (40-6-1)Decision
November 27, 2009
Union Of Veterans
Michal Kita
Loss (40-5-1)Punches • Round 1 (1:17)
November 27, 2009
Union Of Veterans
Thiago Santos
Win (39-5-1)Ezekiel Choke • Round 1 (4:22)
November 27, 2009
Union Of Veterans
Eddy Bengtsson
Win (38-5-1)Punches • Round 2 (2:20)
August 28, 2009
M-1: Breakthrough
Rogent Lloret
D (38-5)Decision
February 21, 2009
M-1 Challenge 12
Sang Soo Lee
Win (37-5)Ezekiel Choke • Round 2 (4:27)
January 11, 2009
M-1 Challenge 11
Jessie Gibbs
Win (36-5)Ezekiel Choke • Round 2 (3:42)
October 25, 2008
ProFC 4: President's Cup
Islam Dadalov
Win (35-5)Punches • Round 1 (2:33)
October 25, 2008
ProFC 4: President's Cup
Abdulkhalik Magomedov
Win (34-5)Heel Hook • Round 1 (0:48)
October 4, 2008
ProFC 3: Heavyweight Grand Prix 2008
Telman Sherifov
Win (33-5)Guillotine Choke • Round 1 (0:48)
October 4, 2008
ProFC 3: Heavyweight Grand Prix 2008
Oleg Kutepov
Win (32-5)Inverted Armbar • Round 1 (1:21)
October 4, 2008
ProFC 3: Heavyweight Grand Prix 2008
Baga Agaev
Win (31-5)Scarf Hold • Round 1 (3:47)
September 13, 2008
CSFU: Champions League
Konstantin Stryzhak
Loss (31-4)Punches • Round 1 (4:20)
September 13, 2008
CSFU: Champions League
Makasharip Makasharipov
Win (30-4)Decision
June 27, 2008
M-1 Challenge 4
Alexander Timonov
Win (29-4)Ezekiel Choke
May 9, 2008
KSW 9: Powrót Mistrzów
Daniel Dowda
Win (28-4)Decision
April 11, 2008
YAMMA Pit Fighting 1
Chris Tuchscherer
Loss (28-3)Decision
April 11, 2008
YAMMA Pit Fighting 1
Sherman Pendergarst
Win (27-3)Ezekiel Choke • Round 1 (4:18)
December 14, 2007
Yaroslavl Open Championship 2007
Gela Getsadze
Win (26-3)Punches • Round 1 (1:48)
December 14, 2007
Yaroslavl Open Championship 2007
Ishkhan Zakharian
Win (25-3)Armbar • Round 1 (2:56)
December 14, 2007
Yaroslavl Open Championship 2007
Andrey Oleynik
Win (24-3)Heel Hook • Round 1 (1:30)
December 14, 2007
Yaroslavl Open Championship 2007
Andrey Oleinik
Win (24-3)Heel Hook • Round 1 (1:30)
November 23, 2007
Perm MMA Championship 2007
Timur Gasanov
Win (23-3)Arm Triangle Choke
November 23, 2007
Perm MMA Championship 2007
Alavutdin Gadzhiev
Win (22-3)Arm Triangle Choke
November 23, 2007
Perm MMA Championship 2007
Adlan Amagov
Win (21-3)Ezekiel Choke
November 10, 2007
KSW 8
Krzysztof Kulak
Win (20-3)Ezekiel Choke • Round 1 (2:09)
November 10, 2007
KSW 8
Karol Bedorf
Win (19-3)Triangle Choke • Round 1 (2:34)
November 10, 2007
KSW 8
Lukasz Wos
Win (18-3)Rear Naked Choke • Round 1 (3:20)
October 20, 2007
Legion Fight 1
Shamil Nurmagomedov
Win (17-3)Neck Crank
December 2, 2006
Bodog Fight
Chael Sonnen
Loss (17-2)Decision
August 15, 2006
Legion Fight
Ishkhan Zakharian
Win (16-2)Triangle Choke • Round 1 (1:21)
April 14, 2006
Union Of Veterans
Andrey Rudakov
Win (15-2)Triangle Choke • Round 1 (2:41)
April 14, 2006
Union Of Veterans
Magomed Sultanakhmedov
Win (14-2)Ezekiel Choke • Round 1 (0:35)
April 14, 2006
Union Of Veterans
Shavkat Urakov
Win (13-2)Rear Naked Choke • Round 1 (0:41)
October 9, 2004
M-1: Middleweight Grand Prix 2004
Flavio Luiz Moura
Loss (13-1)Rear Naked Choke • Round 1 (1:11)
October 9, 2004
M-1: Middleweight Grand Prix 2004
Marcelo Alfaya
Win (12-1)Decision
August 26, 2004
M-1
Azred Telkusheev
Win (11-1)Heel Hook • Round 1 (0:38)
August 26, 2004
M-1
Ubaidula Chopolaev
Win (10-1)Rear Naked Choke • Round 1 (0:48)
August 26, 2004
M-1
Ramin Tagiev
Win (9-1)Rear Naked Choke • Round 1 (2:03)
December 7, 2001
PFU: Land Of Peresvit
Igor Bondarenko
Win (8-1)Rear Naked Choke • Round 1 (2:03)
December 7, 2001
PFU: Land Of Peresvit
Gennadiy Matsigora
Win (7-1)Triangle Choke • Round 1 (2:25)
May 16, 1999
InterPride 3
Gennadiy Matsigora
Win (6-1)Armbar • Round 1 (2:03)
May 16, 1999
InterPride 3
Vladimir Malyshev
Win (5-1)Punches • Round 1 (2:30)
March 16, 1998
International Super Challenge 1998
Clarence Thatch
Win (4-1)Punches • Round 1 (3:43)
April 30, 1997
IAFC
Leonid Efremov
Loss (4-0)Rear Naked Choke • Round 1 (2:48)
April 30, 1997
IAFC
Sergey Akinin
Win (3-0)Guillotine Choke • Round 1 (1:09)
November 10, 1996
Minamoto Cup 1996
Artem Kondratko
Win (2-0)Rear Naked Choke • Round 1 (4:09)
November 10, 1996
Minamoto Cup 1996
Sergey Zalikhvatko
Win (1-0)Punches • Round 1 (1:52)
November 10, 1996
Minamoto Cup 1996
Alexander Kruglenko
Win (0-0)Rear Naked Choke • Round 1 (3:06)
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