According to OptaJose, Lunin became the second youngest goalkeeper to make his debut under Zinedine Zidane. At the time of the match, he is 21 years and 344 days old.
Recall that Lunin moved to Real Madrid in 2018 from the Luhansk Dawn. During this time, he has been on loan three times: in Leganes, Valladolid and Real Oviedo.
Ref: https://korrespondent.net