The Russian at the UFC Fight Night 207 tournament in Las Vegas (USA) defeated Andreas Mikhailidis from Greece by unanimous decision.
Fakhretdinov chalked up his 19th victory in MMA with one defeat.
In the main event of the evening, Russian Alexander Volkov will face Jairzinho Rozenstruik from Suriname.
Earlier, American mixed martial arts fighter Jorge Masvidal, who competes in the Ultimate Fighting Championship (UFC), called on Californians to protest over the high cost of gasoline.