Jakub Mensik used his length to shrink the court, erasing Novak Djokovic's ability to find winners in a shock upset for his first career tennis title Sunday at the Miami Open.

Novak Djokovic fell in the final round of the Miami Open to 19-year-old Jakub Mensik in straight sets, 7-6, 7-6, on Sunday. Mensik, playing in his first final, earned his spot after defeating No. 3 seed Taylor Fritz in the semifinals and became the second-youngest champion in tournament history, per ATP Tour.

The 19-year-old Czech Jakub Mensik beat his childhood idol Novak Djokovic 7-6(4) 7-6(4) in an upset for the ages on Sunday, claiming his first ATP title at the Miami Open as he denied the former number one in his bid for a milestone 100th.

Novak Djokovic cruises past Grigor Dimitrov to reach his first Miami Open final since 2016 and move within one win of his 100th career ATP title

Novak Djokovic is one win away from his 100th career title as he faces teeanger Jakub Mensik in the Miami Open final. Djokovic, 37, can join Jimmy Connors (109) and Roger Federer (103) in the century club,

Novak Djokovic moved to within one win of his 100th career title on Friday,  outclassing Grigor Dimitrov 6-2, 6-3 to cruise into the final of the Miami Open, where he will play Czech teenager Jakub Mensik.