Watching Djokovic has become a live-action demonstration of a tennis player figuring out his limits from match to match and week to week.

Novak Djokovic rallied in the second set from 4-1 down to close out American Sebastian Korda 6-3, 7-6 (4) to advance to the Miami Open semifinals, while women's No. 1 seed Aryna Sabalenka breezed into her first Miami final.

Novak Djokovic reached the semi-finals of the Miami Open with a hard-fought 6-3 7-6 (4) win in his delayed last-eight clash with Sebastian Korda. The 24-time grand slam champion trailed 5-2 in the second set before hitting back to secure victory in a tie-break.

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 chases more tennis history as he takes on Czech teenager Jakub Mensik in the Miami Open final. Djokovic, 37, is one win away from the 100th title of his career, as well as a record-extending 41st ATP Masters crown and seventh Miami Open trophy in Florida.

What could possibly make the record 24-time Grand Slam winner Novak Djokovic feel nerves at this stage of his illustrious career? Playing in front of one of his peers from another sport, apparently.

Teenager Jakob Mensik denies his childhood idol Novak Djokovic a 100th ATP singles title with a superb performance to clinch the Miami Open title.

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,

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