Djokovic, oldest Masters semi-finalist in Miami

Novak Djokovic secured a spot in the Miami Open semifinals with a 6-3, 7-6 (7/4) victory over American Sebastian Korda, becoming the oldest man to reach a Masters 1000 semi-final at 37.

The Serbian star broke early in the first set and held onto the advantage, despite Korda’s strong resistance in the second. After a tight tie-break, Djokovic sealed the win with a powerful ace. He will face Bulgaria’s Grigor Dimitrov on Friday.

"One word, serve. I was serving very well, probably the best serving performance, not just here, but in a long time," Djokovic said. "11 aces, when I needed to find the first serve. It makes life easier on the court when you are feeling your serve."

Looking ahead to a potential 100th singles title, Djokovic, a 24-time Grand Slam champion, acknowledged his return to top form.

"I am obviously playing the best tennis I have played in quite some time. It’s great when I experience tournaments like this and performances like this it motivates me and encourages me to keep going for more," he said.

In other action, Czech teenager Jakub Mensik advanced to his first Masters semi-final, defeating France's Arthur Fils 7-6 (7/5), 6-1. Fils, who upset top-seed Alexander Zverev earlier in the week, struggled against Mensik’s powerful serve.

"It feels incredible. I think the biggest result so far in my career, so I'm glad I just kept going since the first round," said Mensik, who won in 75 minutes.

Mensik, ranked 54th, will face the winner of the quarter-final between Taylor Fritz and Matteo Berrettini later Thursday.

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