This is how the fight for the number 1 spot in the ATP ranking between Alcaraz and Sinner will be until the end of the season

In the next two months of competition, it will be determined who finishes 2025 as the number 1 in the ATP ranking, with Alcaraz having more chances than Sinner.

Diego Jiménez Rubio | 8 Sep 2025 | 15.52
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Alcaraz and Sinner, battle for number 1 ATP ranking. Photo: gettyimages
Alcaraz and Sinner, battle for number 1 ATP ranking. Photo: gettyimages

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A new scenario opens up in the ATP ranking after the 2025 US Open, thanks to Carlos Alcaraz's impressive performance in recent months. The Spaniard has reclaimed the world number 1 spot from Jannik Sinner, who will not find it easy to return to the top of the standings in the short term. Let's examine how the battle between them will unfold until the end of the season.

The Grand Slams are over for this year, but the excitement and competition between the two best tennis players in the world continue for significant goals. Both Carlos Alcaraz and Jannik Sinner have the top priority of finishing the season as ATP ranking number 1, for which they need to compete at their best in these last two months of the season. The Spaniard currently has an advantage of 760 points over Sinner in the ATP ranking, while in the ATP Race, a classification based on the current season and where all players start from scratch, Alcaraz holds a lead of 2,590 points over the Italian. This ranking determines who finishes the year as the world number 1, with El Palmar's player being the strong favorite.

- Can Sinner end 2025 as the world number 1?

The answer is yes, although it won't be easy. The Italian would need to win the remaining two Masters 1000 tournaments, as well as the Beijing tournament, but the biggest points haul would come from the ATP Finals, offering a whopping 1,500 points. While Carlos has a significant lead, he cannot afford to relax as Sinner could potentially earn up to 4,500 points, based on his upcoming schedule, including two ATP 500 events in Beijing and Vienna, along with the two remaining Masters 1000 and the ATP Finals.

On the other hand, Carlos would have a maximum of 4,000 points, as it seems likely he will only compete in one ATP 500 event (Tokyo), instead of the two planned by Sinner. It is clear that the Italian needs Alcaraz to suffer early defeats in important tournaments to have real chances of overtaking him.

- Will Alcaraz remain as the ATP world number 1 continuously until the start of the 2026 Australian Open?

If the outlook is positive for the Murcian based on the ATP Race, it is even more favorable for him when considering the points each defends from now until the end of the season, determining the chances of temporary recovery of the number 1 spot by the Italian. Sinner has no room for error, having been the champion in Shanghai and the ATP Finals. He defends 2,880 points and can only potentially gain points in Beijing, where he was a finalist, and in Paris, where he did not compete.

Carlos Alcaraz will feel less pressure, defending only 1,000 points. A strong performance in Shanghai, Paris, and, most notably, the ATP Finals, could further increase his personal score, widening the gap from Sinner, which would be crucial to secure his position at the top of the ATP ranking for many weeks. The larger the lead at the end of the year, the more likely it is for the Murcian to start the 2026 Australian Open at the summit, with an extended period of dominance in the rankings.

This news is an automatic translation. You can read the original news, Así será la lucha por el número 1 del ranking ATP entre Alcaraz y Sinner hasta final de temporada