Carlos Alcaraz and his team dared to make a risky change in his serving mechanics during the 2025 preseason, exactly twelve months ago. They knew that it could affect his start of the year, but they believed it would be the best for him in the medium/long term. It's time to analyze how his new serve has worked in this 2025 that is coming to an end.
With a straighter back, arm higher in the preparation of the shot, and a more relaxed hand to execute the serve smoothly, without stops. This was Carlos's new serve in 2025, trying to find better feelings with a stroke that had not been consistent in the last two seasons, alternating very good moments with much worse ones.
At the beginning of the season, during the Australian Open, he himself said he didn't feel entirely comfortable because he had to think about how to do the new movement. That's tennis. In a sport with not much rest time, any change implies adapting on the fly, in the middle of tournaments. Once everything is analyzed as a whole in this 2025, we can say that the change has had more positives than negatives.
An Improved Serve for Carlos Alcaraz
In terms of sensations, without looking at the numbers, what we perceive is that Carlos has caused much more damage with his serve in this 2025, especially after Wimbledon. Dominating completely in Cincinnati, US Open, and Tokyo, and performing remarkably well in the ATP Finals, where he reached the final for the first time. Now, it remains to delve into the data to see if these feelings translate into good results.

Compared to 2024, where he played 67 matches (as opposed to 80 this year), Carlos has improved in almost every aspect of his serve. He only worsens compared to the previous year in the first-serve percentage in, with a change of just 1%, and in points won with his second service. In other aspects, everything has progressed, achieving more aces per match and being tremendously effective in saved break points.
The great improvement in Alcaraz's serve in 2025 lies precisely in the break points saved. Under pressure, Carlos saves almost 7 out of every 10 break points against him. Only Sinner, Opelka, and Bublik have better numbers than him, which speaks highly of his serve in pressure situations. Despite not being a big server, he has servebot-like numbers.
US Open 2025: His Best Serving Tournament
Throughout the year, Alcaraz's best serving tournament was the US Open. There, he demolished all his opponents with powerful serves, leaving nearly 9% more points won with the first service and 8% more points won on serve compared to his seasonal average. Additionally, he averaged almost 7 aces per match. A remarkable performance.

If we were to analyze Carlos Alcaraz's new serve in 2025 in overall terms, we would say he has aimed more for aces, which has helped him inflict more damage with his first serve. He has also taken a step forward when serving under pressure and saving tense moments.
Looking at the Insights graph, we see that in 2025, he has mainly focused on serving more in the open areas, both in the advantage and deuce courts. We're talking about a Carlos who aims to push his opponents out wide with his serve, to open up the court for his serve+1 and be aggressive.
Possible Objectives for 2026 with His Serve
In order to further improve an aspect that has evolved from previous years, Carlos may want to enhance his precision since he has reduced his average of hitting close to the lines from 64cm to 61cm, still far from the tour's 59cm average or Sinner's 55cm, who has the lowest landing services close to the line. This would increase the percentage of serves that don't come back, as currently, Carlos sees 35% of his first serves not returning, compared to Sinner's 43%, the best in this statistic among the Top players.
In conclusion, it was a great decision by Carlos and his team to change his serving mechanics for 2025. The Australian Open 2026 will be a good litmus test to see if he can replicate what he did at the last US Open, achieving the best serving numbers of his career.
Data Source: Insights, by TennisViz.
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