British number one Jack Draper put in a professional performance to defuse rising star Joao Fonseca and reach the Indian Wells third round.
The 23-year-old drew errors out of the explosive 18-year-old Brazilian to edge a tight first set, before racing through the second for a 6-4 6-0 win.
The way which 13th seed Draper moved through the gears against a tricky opponent touted as a future major champion was impressive.
"The kid is an unbelievable player with such firepower," he said of Fonseca.
"It is so good to have a superstar coming up - I'm sure he is going to be a top player.