• UFC Fight Night(10/1/22) Oleinik lost a three round unanimous decision to Ilir Latifi
• UFC 273(4/9/22) Oleinik submitted Jared Vanderaa via scarf hold at 3:39 of the first round
• UFC on ESPN(6/19/21) Oleinik lost a three round unanimous decision to Serghei Spivac
• UFC Fight Night(2/20/21) Oleinik was stopped by Chris Daukaus via strikes at 1:55 of the first round
• UFC Fight Night(8/8/20) Oleinik was stopped by Derrick Lewis via strikes at :21 of the second round
• UFC 249(5/9/20) Oleinik won a three round split decision over Fabricio Werdum
• UFC 246(1/18/20) Oleinik submitted Maurice Greene via armbar at 4:38 of the second round
• UFC on ESPN(7/20/19) Oleinik was knocked out by Walt Harris at :12 of the first round
• UFC Fight Night(4/20/19) Oleinik was stopped by Alistair Overeem via strikes at 4:45 of the first round
• UFC Fight Night(9/15/18) Oleinik submitted Mark Hunt via rear naked choke at 4:26 of the first round
• UFC 224(5/12/18) Oleinik submitted Junior Albini via Ezekiel choke at 1:45 of the first round
• UFC 217(11/4/17) Oleinik lost via TKO (doctor stoppage) to Curtis Blaydes at 1:56 of the second round
• UFC 213(7/8/17) Oleinik submitted Travis Browne via rear naked choke at 3:44 of the second round
• UFC Fight Night(1/15/17) Oleinik submitted Viktor Pesta via Ezekiel choke at 2:57 of the first round
• UFC Fight Night(7/13/16) Oleinik lost a three round majority decision to Daniel Omielanczuk
• UFC Fight Night(11/22/14) Oleinik knocked out Jared Rosholt at 3:21 of the first round
• UFC Fight Night(6/28/14) Oleinik submitted Anthony Hamilton via neck crank at 2:18 of the first round