Paris, May 29 -- In yet another shocking upset at the French Open, the 19-year-old Joao Fonseca outclassed 24-time Grand Slam champion Novak Djokovic, becoming the first-ever teenager to beat the Serbian icon at a major event.

Fonseca made a sensational comeback from being two sets down, bringing down the curtains to Djokovic's campaign by 6, 4-6, 6-3, 7-5, 7-5, just hours after Jannik Sinner, the world number one, was stunned by Juan Manuel Cerundolo.

Fonseca slammed the door shut on Djokovic's dream of a 25th Grand Slam title in an epic that lasted four hours and 53 minutes.

In absolute disbelief, Fonseca said after the match, as quoted by ATP's official website, "I actually did not believe I could win. I just played, I just enjoyed ...