He made his first team debut at the age of just 18 on 29 April 2018, coming on as a second-half substitute for outfield player Marc Caballé in a 1–1 Segunda División B away draw against SCR Peña Deportiva, after Carlos Craviotto was sent off.
[1] Ramón Juan started the 2018–19 campaign as a first-choice ahead of new signing Sergio Pérez, and remained an undisputed starter afterwards.
[3] On 11 June 2021, Ramón Juan signed a two-year contract with Segunda División side CD Mirandés.
[4] He made his debut for the club on 1 December 2021, starting in a 3–0 away win over CD San Roque de Lepe in the season's Copa del Rey.
[5] Ramón Juan made his professional debut on 16 December 2021, starting in a 2–1 win at CD Lugo, also in the national cup.