He currently plays for Granada CF Women, wearing the number 21 shirt. He plays primarily as a Defender.

Throughout the Liga Profesional de fútbol femenino 2025-2026, Cristina Postigo Martín featured in 17 matches, averaging 1.2 tackles, 1.2 interceptions, and 2.9 clearances per game, while blocking 0.2 shots per game.