Gonzalo made his first-team debut in a LaLiga EA Sports match against Cádiz in November 2023 and scored his first official goal in the 2024-2025 Copa del Rey quarterfinal against Leganés, a crucial goal that secured Madrid’s place in the semifinals. Later, he was called up by Xabi Alonso, the new Real Madrid coach, for the Club World Cup, where he started six matches, scored four goals, and provided an assist, earning the Golden Boot of the tournament.