The defending champion resides in Monaco and often boasts about the scenes on social media, while the 99-singles title holder has had notable celebrity run-ins in years past.

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.

Trying to win his 100th ATP Tour title, Djokovic ran into both the power and precision of the rising 19-year-old Czech.

The 19-year-old outdid the 24-time Grand Slam champion—and his idol—in the Miami Open final, 7-6 (4), 7-6 (4).

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

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.