[1][2] At the age of 16, participating in the 2018 Summer Youth Olympics in Buenos Aires, he won a silver medal in the Boys' 4 × 100 metre freestyle relay.

[4] At the age of 17, he won a bronze medal in the 200 metre freestyle at the 2019 FINA World Junior Swimming Championships.

[8] At the 2021 FINA World Swimming Championships (25 m) in Abu Dhabi, United Arab Emirates, in the Men's 4 × 200 metre freestyle relay, the Brazilian relay, composed by Sartori, Fernando Scheffer, Kaique Alves and Breno Correia, again obtained a medal, now bronze, maintaining the good performance of 2018, when Brazil won the gold beating the world record.

[12] At the 2022 World Aquatics Championships held in Budapest, Hungary, in the men's 4 × 200 metre freestyle relay event, the Brazilian team, composed by Sartori, Fernando Scheffer, Vinicius Assunção and Breno Correia, broke the South American record twice in a row, in the heats, and the finals, reaching a time of 7:04.69 and obtaining an unprecedented fourth place in the long-distance World Championships.

The Brazilian team just didn't get a medal because of the exceptional performance of Tom Dean when closing the British relay.