João Fonseca hits a forehand while playing Andrey Rublev at the Australian Open in January. William West/AFP/Getty Images

Ever since he first picked up a tennis racket, João Fonseca has shown a penchant for power – even if it came with mixed results.

“I was the kind of kid that destroyed the ball,” says Fonseca. “Sometimes, it would go into the fence; sometimes, it would go straight to the floor; and then, sometimes, we’re doing a winner.”

That approach – fearless, furious and unrestrained – has stayed with the Brazilian into his professional career, and today, his ripping forehand is one of the most breathtaking sights in men’s tennis.

Few players can match the 19-year-old Fonseca when it comes to raw power , particularly on the forehand wing. This not-so-subtle, not-so-secret

See Full Page