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.

Jakub Mensik outdueled Novak Djokovic in two tiebreakers 7-6 (4), 7-6 (4) to win the Miami Open for his first ATP title.

Making matters worse, Mensik is a powerful player, which presents challenges for the gaining Djokovic. Mensik tallied 14 aces to Djokovic's seven. Additionally, the Czech teen won

Aryna Sabalenka of Belarus earned her first Miami Open championship by defeating American and No. 4 Jessica Pegula 7-5, 6-2 to become the sixth player to win Miami as the reigning No. 1. Former great Serena Williams did it four times.

Aryna Sabalenka entered the Miami Open final against Jessica Pegula with 18 career titles on her elite resume. The Miami Open crown had proved elusive until Saturday.

Top-seeded Aryna Sabalenka recorded 31 winners while sailing to a 7-5, 6-2 victory over fourth-seeded Jessica Pegula on Saturday to win the Miami Open for the first time in her career. Sabalenka, ranked No.