Fantin began his racing career in karting, where he remained until 2009. In
2010, he began his
formula racing career. For
Hitech Racing Brazil, he participated in nine of 24 races in the
Formula Three Sudamericana. He won three races and achieved five podium finishes. In the championship, he concluded the season in the ninth position. Moreover, he completed nine starts as a guest driver for Hitech Racing in the
2010 British Formula 3 season. In
2011, he competed in the
British Formula 3 Championship as a regular driver of Hitech Racing. Fantin finished the 2011 season on eighth position. For 2012, Fantin would drive for
Carlin in the British Formula 3 Championship. ==Racing record==