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.

Phenom Jakub Mensik, 19, upset Novak Djokovic in a rain-delayed Miami Open final, keeping Djokovic at 99 career titles.

Czech teenager Jakub Mensik upset Novak Djokovic 7-6 (7/4), 7-6 (7/4) to win the Miami Open at Hard Rock Stadium on Sunday, denying the Serb his 100th career title.Mensik started strongly, breaking Djokovic's first serve game to go 2-0 up and the tall,