He currently plays for Al-Adalah, wearing the number 4 shirt. He plays primarily as a Defender. He stands at 188cm tall and weighs 85kg. His preferred foot is Right.

Throughout the Saudi First Division League 2025-2026, Lucas Cunha Castilho featured in 6 matches, averaging 1.7 tackles, 0.8 interceptions, and 4 clearances per game, while blocking 0.2 shots per game.