佩古拉和基斯大为惊叹辛内尔的新发球：“这太疯狂了”

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Jannik Sinner seems like a perfect machine, but he always manages to upgrade himself to an even better version. As of today, the brand-new champion of Wimbledon 2026 dominates all tennis strokes: forehand, backhand, return. However, the aspect that has improved the most and has become his main weapon and threat is his serve.

Looking at the ATP statistics, the improvement is evident. In 2024, the year he won two Grand Slams and six more titles, his first serve percentage was at 61%, while the points won on his second serve were at 58%, and the percentage of points won with his first serve was at 79%. Hence, it was clear that these figures needed improvement.

In 2025, he once again won two more Grand Slams and added four more titles to his record, but his performance with the serve remained questionable. The first serve percentage was still low (62%), as were the points won with the second serve (59%), and the points won with the first serve remained at 79%.

Pegula and Keys on Sinner’s serve:

“Basically it’s like: pick someone to watch and then just try to copy their serve. He watched John Isner and he was like ‘Okay, got it!’.”

“They should give awards. Sinner’s serve is a joke. Every time I watch him, I’m like ‘there’s no way…

— janniksin archive (@sinnervideos) July 17, 2026

Jannik Sinner has more aces in the first half of 2026 than in all of 2025

In this 2026, the Italian, along with his team led by Simone Vagnozzi and Darren Cahill, decided to put an end to these statistics and make a leap in quality. And they succeeded. The first-serve percentage rose to 65%, and the points won with the first serve reached 81%, while the points won with the second serve were at 59%. By mid-year, he has already accumulated more aces (454) than in the entire previous season (405). An improvement that was key to retaining his Wimbledon title on grass, a surface where a good serve can give you half the match. 

This sensation of a server that he is gradually adopting is also being observed by both his male circuit rivals and female circuit colleagues. This was confirmed by both Jessica Pegula and Madison Keys on 'The Player’s Box' podcast.

The current world number three in the WTA rankings showered praises: "It's the stroke that has improved the most. His serve is insane. His wide serve on the ad side is incredible. Every time I see it, I think, 'oh, I know that's his favorite serve.' And you know, it's a low percentage serve. You always think, oh, he can't possibly do it again. But he manages to hit an ace every time. I don't understand. How did your serve improve so much?".

Meanwhile, the champion of the Australian Open 2025 disclosed who Sinner looked at to improve his serve: "I think I heard Darren Cahill talk about it when he started with Jannik. One of the important things was to improve his serve. That's his thing. Basically, you pick someone to watch and try to copy their serve. And he saw Jon Isner and said 'okay, got it. That's my type and my average serve'".

It will be interesting to see if with the start of the North American hardcourt tour, on a surface that favors serves, Jannik Sinner maintains a trend that renders him even more unstoppable. 
 

本新闻为自动翻译。您可以阅读原始新闻：Pegula y Keys alucinan con el nuevo saque de Sinner: "Es una locura"