Aleksei Oleinik “The Boa Constrictor”

Photo of Aleksei Oleinik
Team K DOJO WARRIOR TRIBE / OPLOT T
Age 48
Gender Male
Height 6' 4"
Weight Class Heavyweight

Aleksei Oleinik is a MMA fighter with a professional fight record of 58 wins, 18 losses and 1 draws

Professional Career Statistics

Pro Record 58-18-1 (Win-Loss-Draw)
Career Length 7 months, 15 days
Rounds Fought 85.0
Avg. Fights/Year 2.9
Longest Layoff 2 years, 8 months, 20 days
Quickest Turnaround 1 week, 2 days

Record BreakDown

- KO/TKO SUB DEC
Wins 7 45 5
Losses 10 2 6
Finish Rate 89.7%
Finished Rate 66.7%
Win by Decision Rate 8.6%
Loss by Decision Rate 33.3%
Win by KO Rate 12.1%
Loss by KO Rate 55.6%
Win by SUB Rate 77.6%
Loss by SUB Rate 11.1%
Win Method
Loss Method

Quick Hits

Fastest Win -
Fastest KO 01:48
Fastest SUB -
Ave. Rounds (Ws) 1.0
Ave. Length of Fight (Ws) 05:09
Ave. Rounds (Ls) 1.2
Ave. Length of Fight (Ls) 06:09
Finish Rounds
Finished Rounds

Official Professional MMA Fight Record

Date Opponent Weightclass Method Round Time
NRB 12/15/2023 W
(57-18-1) 		Fernando Santo Forte
(8-8-0) 		HW Submission (Arm Triangle Choke)
Russian Cagefighting Championship 17 		2 02:27
NRB 05/26/2023 L
(57-17-1) 		Oliver Thompson
(20-18-0) 		HW KO (Punch)
REN TV Fight Club 		1 05:00
OFF 10/01/2022 L
(57-16-1) 		Ilir Latifi
(17-9-0) 		HW
( 254.0 vs. 253.0 ) 		Decision (Unanimous Decision)
UFC FN 113 ON ESPN: DERN vs YAN 		3 05:00
OFF 04/09/2022 W
(56-16-1) 		Jared Vanderaa
(18-12-0) 		HW
( 244.0 vs. 266.0 ) 		Submission (Neck Crank)
UFC 273: VOLKANOVSKI vs THE KOREAN ZOMBIE 		1 03:39
OFF 06/19/2021 L
(56-15-1) 		Sergey Spivak
(17-6-0) 		HW
( 228.0 vs. 242.0 ) 		Decision (Unanimous Decision)
UFC FN 74 ON ESPN: JUNG vs IGE 		3 05:00
OFF 02/20/2021 L
(56-14-1) 		Chris Daukaus
(12-8-0) 		HW
( 240.0 vs. 234.0 ) 		TKO/RSC
UFC FN 64 ON ESPN: BLAYDES vs LEWIS 		1 01:55
OFF 08/08/2020 L
(56-13-1) 		Derrick Lewis
(29-12-0) 		HW
( 227.0 vs. 265.0 ) 		TKO/RSC
UFC FN 46 ON ESPN: LEWIS vs OLEINIK 		2 00:21
OFF 05/09/2020 W
(55-13-1) 		Fabricio Werdum
(24-10-1) 		HW
( 227.5 vs. 243.0 ) 		Decision (Split Decision)
UFC 249: FERGUSON vs GAETHJE 		3 05:00
OFF 01/18/2020 W
(54-13-1) 		Maurice Greene
(12-9-0) 		HW
( 238.0 vs. 243.0 ) 		Submission (Arm Bar)
UFC 246 		2 04:38
OFF 07/20/2019 L
(54-12-1) 		Walt Harris
(13-10-0) 		HW
( 236.0 vs. 256.0 ) 		KO
UFC on ESPN 4 		1 00:12
OFF 04/20/2019 L
(54-11-1) 		Alistair Overeem
(47-19-0) 		HW
( 237.0 vs. 245.0 ) 		TKO/RSC
UFC on ESPN+ 7 		1 04:45
NRB 03/01/2019 W
(53-11-1) 		Oleg Lazaryshin
(4-3-0) 		FTW TKO/RSC
ProFC Ukraine - Fight in Octagon 4 		1 04:40
OFF 09/15/2018 W
(52-11-1) 		Mark Hunt
(13-14-0) 		HW
( 235.0 vs. 265.0 ) 		Submission (Rear Naked Choke)
UFC FIGHT NIGHT: HUNT vs. OLEINIK 		1 04:26
OFF 05/12/2018 W
(51-11-1) 		Junior Albini
(14-6-0) 		HW
( 235.0 vs. 266.0 ) 		Submission (Choke)
UFC 224: NUNES vs. PENNINGTON 		1 01:45
OFF 11/04/2017 L
(51-10-1) 		Curtis Blaydes
(19-5-0) 		HW
( 246.2 vs. 258.8 ) 		TKO/RSC (Doctor Stoppage)
UFC 217: Bisping vs. GSP 		2 01:56
OFF 07/08/2017 W
(50-10-1) 		Travis Browne
(16-7-1) 		HW
( 241.5 vs. 247.5 ) 		Submission (Rear Naked Choke)
UFC 213: Nunes vs. Shevchenko 		2 03:44
OFF 01/15/2017 W
(49-10-1) 		Viktor Pesta
(18-9-0) 		HW
( 242.0 vs. 239.0 ) 		Submission (Choke)
UFC Fight Night: Rodriguez vs. Penn 		1 02:57
OFF 07/13/2016 L
(49-9-1) 		Daniel Omielanczuk
(26-14-1) 		Decision (Majority Decision)
UFC Fight Night: Ferguson vs. Chiesa 		3 05:00
OFF 11/22/2014 W
(48-9-1) 		Jared Rosholt
(19-8-0) 		HW
( 235.0 vs. 240.0 ) 		KO
UFC Fight Night 57: Swanson vs Edgar 		1 03:21
OFF 06/28/2014 W
(47-9-1) 		Anthony Hamilton
(22-12-0) 		HW
( 240.0 vs. 253.0 ) 		Submission (Neck Crank)
UFC Fight Night 44: Stephens vs Swanson 		1 02:18
NRB 11/08/2013 W
(46-9-1) 		Mirko Cro Cop
(38-11-2) 		Submission (Choke)
Legend - Part 2: Intrusion 		1 03:00
NRB 10/16/2013 W
(45-9-1) 		Dion Staring
(24-15-0) 		Submission (Choke)
Professional Fighting Championship 50 		1 01:41
NRB 06/20/2013 W
(44-9-1) 		Jeff Monson
(59-26-1) 		Submission (Rear Naked Choke)
Oplot Challenge 67 		2 03:28
NRB 04/20/2013 W
(43-9-1) 		Tony Lopez
(64-34-0) 		Submission (Triangle Choke)
Oplot Challenge 53 		3 03:19
NRB 03/16/2013 W
(42-9-1) 		Leo Pla
(12-9-0) 		LHW TKO/RSC
Oplot Challenge 43 		1 02:56
NRB 11/10/2012 W
(41-9-1) 		Hudey Martin
(0-1-0) 		TKO/RSC
Oplot Challenge  - Ukrainian Police vs. Czech Police 		3 05:00
OFF 09/15/2012 W
(40-9-1) 		Mike Stewart
(9-6-0) 		HW Submission (Neck Crank)
WCMMA USA vs The World - Portugal, China & Russia 		2 01:03
NRB 05/13/2012 W
(39-9-1) 		Jerry Otto
(2-5-0) 		Submission (Choke)
Oplot Challenge 2 		1 02:20
NRB 03/25/2012 W
(38-9-1) 		Sergey Terezimov
(6-6-0) 		Submission (Arm Bar)
Oplot Challenge 1 		1 01:04
NRB 03/16/2012 L
(38-8-1) 		Jeff Monson
(59-26-1) 		Decision (Unanimous Decision)
M-1 Challenge 31 		3 05:00
NRB 07/22/2011 L
(38-7-1) 		Magomed Malikov
(9-3-0) 		HW TKO/RSC
Fight Star 07/22/11 		1 02:39
NRB 06/26/2011 W
(37-7-1) 		Ernest Kostanyan
(0-1-0) 		HW Submission (Rear Naked Choke)
Razdolie Cup 2011 		1 01:22
OFF 09/16/2010 L
(37-6-1) 		Neil Grove
(12-8-1) 		HW
( 265.0 vs. 265.0 ) 		TKO/RSC (Referee Stoppage from Strikes)
Bellator Fighting Championships 29 		1 00:45
OFF 08/26/2010 W
(36-6-1) 		Mike Hayes
(19-12-2) 		HW
( 230.0 vs. 238.0 ) 		Decision (Split Decision)
Bellator 8/26/10 		3 05:00
NRB 11/27/2009 W
(34-5-1) 		Thiago Santos
(11-5-0) 		Submission (Rear Naked Choke)
IAFC - Mayor's Cup 2009 		1 04:22
NRB 11/27/2009 L
(34-5-1) 		Michal Kita
(22-16-1) 		TKO/RSC (Referee Stoppage from Strikes)
IAFC - Mayor's Cup 2009 		1 01:17
NRB 11/27/2009 W
(34-5-1) 		Eddy Bengtsson
(6-4-0) 		Submission (Strikes)
IAFC - Mayor's Cup 2009 		2 02:20
OFF 08/28/2009 D
(34-5-0) 		Rogent Lloret
(11-4-1) 		HW
( 234.0 vs. 240.0 ) 		Draw
Titan Entertainment 8/28/09 		3 05:00
OFF 02/21/2009 W
(33-5-0) 		Sang Soo Lee
(18-11-1) 		HW
( 231.4 vs. 234.1 ) 		Submission
M-1 Challenge 		2 04:27
NRB 01/11/2009 W
(32-5-0) 		Jessie Gibbs
(7-4-0) 		Submission (Choke)
M-1 Challenge 11 - 2008 Challenge Finals 		2 03:42
NRB 10/25/2008 W
(30-5-0) 		Islam Dadalov
(9-7-0) 		TKO/RSC (Referee Stoppage from Strikes)
ProFC: President Cup 		3 01:00
NRB 10/25/2008 W
(30-5-0) 		Abdulhalik Magomedov
(1-5-0) 		Submission (Heel Hook)
ProFC: President Cup 		1 00:48
NRB 10/04/2008 W
(27-5-0) 		Telman Shariphov
(4-7-1) 		Submission (Guillotine Choke)
ProFC: Grand Prix 		1 00:48
NRB 10/04/2008 W
(27-5-0) 		Islam Dadalov
(9-7-0) 		Submission (Arm Bar)
ProFC: Grand Prix 		1 01:21
NRB 10/04/2008 W
(27-5-0) 		Baga Agaev
(27-20-0) 		Submission (Toe Hold)
ProFC: Grand Prix 		1 03:47
NRB 09/13/2008 L
(26-4-0) 		Konstantyn Stryzhak
(4-2-0) 		TKO/RSC (Referee Stoppage from Strikes)
Combat Sambo Federation of Ukraine: Champions League 		1 04:20
NRB 09/13/2008 W
(26-4-0) 		Makasharip Makasharipov
(1-3-0) 		Decision (Unanimous Decision)
Combat Sambo Federation of Ukraine: Champions League 		3 05:00
NRB 06/27/2008 W
(25-4-0) 		Alexander Timonov
(2-2-0) 		Submission (Choke)
M-1 Challenge 4: Battle on the Neva 2 		1 05:00
NRB 05/09/2008 W
(24-4-0) 		Daniel Dowda
(6-4-0) 		Decision (Unanimous Decision)
Konfrontacja Sztuk Walki 9 		2 05:00
OFF 04/11/2008 L
(23-3-0) 		Chris Tuchscherer
(16-4-0) 		HW
( 220.2 vs. 264.0 ) 		Decision (Unanimous Decision)
YAMMA Pit Fighting 		1 05:00
OFF 04/11/2008 W
(23-3-0) 		Sherman Pendergarst
(11-18-0) 		HW
( 220.2 vs. 264.6 ) 		Submission (Choke)
YAMMA Pit Fighting 		1 04:18
NRB 12/14/2007 W
(20-3-0) 		Gela Getsadze
(4-21-0) 		TKO/RSC (Referee Stoppage from Strikes)
Mix Fight Cup of Yaroslavl 12/14/07 		1 01:48
NRB 12/14/2007 W
(20-3-0) 		Ishkhan Zakharyan
(7-14-0) 		Submission (Arm Bar)
Mix Fight Cup of Yaroslavl 12/14/07 		1 02:56
NRB 12/14/2007 W
(20-3-0) 		Andrei Oleinik
(0-1-0) 		Submission (Heel Hook)
Mix Fight Cup of Yaroslavl 12/14/07 		1 01:30
NRB 11/23/2007 W
(17-3-0) 		Timur Gasanov
(4-3-0) 		Submission (Arm Triangle Choke)
MMA Cup of Perm 11/23/07 		1 05:00
NRB 11/23/2007 W
(17-3-0) 		Alavutdin Gadzhiev
(9-7-0) 		Submission (Arm Triangle Choke)
MMA Cup of Perm 11/23/07 		1 05:00
NRB 11/23/2007 W
(17-3-0) 		Adlan Amagov
(13-2-1) 		Submission (Arm Triangle Choke)
MMA Cup of Perm 11/23/07 		1 05:00
NRB 11/10/2007 W
(14-3-0) 		Krzysztof Kulak
(29-17-2) 		Submission (Choke)
Konfrontacja Sztuk Walki 8 		1 05:00
NRB 11/10/2007 W
(14-3-0) 		Karol Bedorf
(14-5-0) 		Submission (Triangle Choke)
Konfrontacja Sztuk Walki 8 		1 05:00
NRB 11/10/2007 W
(14-3-0) 		Lukasz Wos
(0-3-0) 		Submission
Konfrontacja Sztuk Walki 8 		1 05:00
NRB 10/20/2007 W
(13-3-0) 		Shamil Nurmagomedov
(19-3-0) 		LHW Submission (Choke)
Legion Fight 1 		1 03:40
NRB 12/02/2006 L
(13-2-0) 		Chael Sonnen
(31-18-1) 		Decision (Unanimous Decision)
Bodog Fight: USA vs. Russia 		3 05:00
NRB 04/14/2006 W
(10-2-0) 		Andrei Rudakov
(2-1-0) 		Submission (Triangle Choke)
Union of Veterans of Sport - Champions Cup of Middleweights 		1 05:00
NRB 04/14/2006 W
(10-2-0) 		Magomed Sultanakhmetov
(5-1-0) 		Submission (Arm Triangle Choke)
Union of Veterans of Sport - Champions Cup of Middleweights 		1 05:00
NRB 04/14/2006 W
(10-2-0) 		Shavkat Urakov
(0-2-0) 		Submission (Rear Naked Choke)
Union of Veterans of Sport - Champions Cup of Middleweights 		1 05:00
NRB 10/09/2004 L
(9-1-0) 		Flavio Luiz de Moura
(18-7-0) 		Submission (Choke)
M-1 Mix- Fight - Middleweight Grand Prix 		00:00
NRB 10/09/2004 W
(9-1-0) 		Marcelo Alfaya
(18-13-0) 		Decision
M-1 Mix- Fight - Middleweight Grand Prix 		00:00
NRB 08/27/2004 W
(6-1-0) 		Azred Telkusheev
(4-2-0) 		Submission (Heel Hook)
M-1 Global - Middleweight Grand Prix 		1 00:38
NRB 08/27/2004 W
(6-1-0) 		Ubaidula Chopolaev
(2-3-0) 		Submission (Rear Naked Choke)
M-1 Global - Middleweight Grand Prix 		1 00:48
NRB 08/27/2004 W
(6-1-0) 		Ramin Tagiev
(1-4-0) 		Submission (Rear Naked Choke)
M-1 Global - Middleweight Grand Prix 		1 02:03
NRB 12/07/2001 W
(4-1-0) 		Igor Bondarenko
(1-2-0) 		Submission (Choke)
Land of Peresvit 		00:00
NRB 12/07/2001 W
(4-1-0) 		Genadiy Matsigora
(0-1-0) 		Submission (Arm Bar)
Land of Peresvit 		00:00
NRB 05/16/1999 W
(2-1-0) 		Gennadiy Matsigora
(0-3-0) 		Submission (Arm Bar)
InterPride 1999 		1 02:03
NRB 05/16/1999 W
(2-1-0) 		Vladimir Malyshev
(1-1-0) 		TKO/RSC (Referee Stoppage from Strikes)
InterPride 1999 		1 02:30
NRB 03/16/1998 W
(1-1-0) 		Clarence Thatch
(0-1-0) 		Submission (Strikes)
International Super Challenge 1998 		1 00:00
NRB 04/30/1997 L
(0-0-0) 		Leonid Efremov
(4-2-0) 		Submission (Rear Naked Choke)
Absolute Fighting Championship 2 Day 1 		1 02:48
NRB 04/30/1997 Unknown
(0-0-0) 		Igor Akinin
(0-1-0) 		Unknown
Absolute Fighting Championship 2 Day 1 		3 05:00

Official Professional Bare Knuckle Fighting Fight Record

Date Opponent Weightclass Method Round Time
NRB 04/04/2025 L
(0-0-0) 		Geronimo Mondragon
(1-1-0) 		HW
( 234.0 vs. 264.2 ) 		KO
Bare Knuckle Fighting Championship 71: Dubai "Day 1" 		1 01:49

* Bouts marked with 'OFF' denote results which have been verified by an ABC-recognized athletic commission. Bouts marked with an SB denote bouts overseen by a duly-recognized sanctioning organization. Bouts marked NRB denote non-regulated bouts.

* Bouts marked with an (*) are considered exhibition bouts and do not count towards the fighter's record

* Weights marked with an (*) denote those over the limit for the weight class