• UFC Fight Night(11/2/24) Romanov won a three round unanimous decision over Rodrigo Nascimento
• UFC 302(6/1/24) Romanov was submitted by Jailton Almeida via rear naked choke at 2:27 of the first round
• UFC on ESPN(7/1/23) Romanov won a three round unanimous decision over Blagoy Ivanov
• UFC Fight Night(3/11/23) Romanov was stopped by Alexander Volkov via strikes at 2:16 of the first round
• UFC 278(8/20/22) Romanov lost a three round majority decision to Marcin Tybura
• UFC on ESPN(4/30/22) Romanov submitted Chase Sherman via keylock at 2:11 of the first round
• UFC Fight Night(10/9/21) Romanov stopped Jared Vanderaa via strikes at 4:43 of the second round
• UFC on ESPN(4/17/21) Romanov won a technical split decision over Juan Espino at 1:05 of the third round when he was accidentally fouled and unable to continue
• UFC on ESPN(11/7/20) Romanov submitted Marcos Rogerio de Lima via forearm choke at 4:48 of the first round
• UFC Fight Night(9/12/20) Romanov submitted Roque Martinez via arm triangle choke at 4:22 of the second round