He scored his first goal in a 3–1 victory against UDC Sur. On 14 February 2015, he scored in a 4–1 win over CF Rayo Majadahonda.Ezatolahi made his UEFA Youth League debut on 10 March 2015 in the quarter-finals, playing the full 90 minutes against Chelsea.At the end of the 2014–15 season, Ezatolahi chose not to sign with Atlético Madrid B, and on 21 July 2015, Ezatolahi joined international teammate Sardar Azmoun at Russian Premier League club Rostov with a four-year contract. Due to Visa issues, he could not play for Rostov until 2016, and in January 2016, Ezatolahi’s Visa issues were resolved.