He currently plays for Atletico Goianiense U20, wearing the number 6 shirt. He plays primarily as a Defender. He stands at 176cm tall and weighs 77kg. His preferred foot is Left.

Throughout the Brazilian Campeonato Baiano Division 2026, Guilherme Bastos da Silva featured in 8 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.