At the international level, he represents Paraguay Women U20. He plays primarily as a Forward. He stands at 161cm tall and weighs 60kg.

In the CONMEBOL Copa Libertadores Femenino 2025 season, Zunilda Beatriz Coronel Fernandez scored 0 goals and provided 0 assists across 3 appearances, averaging 0 goals per game with 0 shots attempted and 0 on target.