ATP Tennis Coaching US Open
Jannik Sinner to Travel Solo Coach at US Open as Darren Cahill Takes Break
Jannik Sinner will defend his US Open title with one coach as Darren Cahill takes a break.
Jannik Sinner will head into the US Open title defense with a leaner coaching team, as Darren Cahill will not be traveling to New York. Cahill, who announced his intention to retire from coaching after the 2025 season, will take a short break during the final Grand Slam of the year. This was confirmed by Simone Vagnozzi, who leads the coaching unit for Sinner, and remains cautious about Cahill’s future beyond this period.
Cahill’s retirement plans had come under speculation, with whispers he might reconsider staying on in 2026. Vagnozzi stated, “Honestly, nothing’s certain at the moment. But we’ll all be happy if Darren stays.”
Vagnozzi, who has jointly coached Sinner alongside Cahill since 2022, will continue to guide the technical and tactical preparations. The coaching team also welcomed back controversial fitness trainer Umberto Ferrara this week. Ferrara was previously part of Sinner’s team but was let go following the player’s positive clostebol tests in March 2024. His return was confirmed with immediate effect to aid in tournament prep, including for the Cincinnati Open and US Open.
Together, Cahill and Vagnozzi have overseen some of Sinner’s most significant career milestones: his maiden Grand Slam victory at the 2024 Australian Open, reaching world No. 1 in June, successfully defending his Australian Open title earlier this year, winning the 2024 US Open, and bouncing back from a narrow loss to Carlos Alcaraz at Roland Garros to claim Wimbledon. Vagnozzi described the partnership with Cahill as vital, stating, “I have to say that I’m so lucky to have met someone like Darren, both professionally and personally. We connected immediately, and that undoubtedly helped us in our journey. It’s never easy to find that chemistry, but we’ve always prioritised Jannik’s interests.”
The team’s complementary roles allow Vagnozzi to focus on the more technical and tactical aspects, while Cahill handles mental and emotional support, ensuring the player hears one unified voice throughout his campaign.
ATP
Sinner’s serve numbers reveal a mixed picture despite his dominance
Sinner’s serve stats show elite power, but his first-serve percentage still leaves room for growth.
Jannik Sinner’s serve has long been viewed as a major part of his rise to the top of the men’s game, yet the numbers from the past year tell a more complicated story.
The world No 1 adjusted his service motion shortly before he began establishing himself as a leading force on the ATP Tour, and that weapon stood out again when he defended his Wimbledon title earlier this month.
After losing the US Open final to Carlos Alcaraz last September, Sinner made it clear that he wanted more variety and consistency on serve. His own words at the time showed how deliberate that change was:
“I can say that I’m gonna become a better tennis player and I’m gonna change a couple of things on the serve, just small things, but, they can make big differences and then we see how it goes,” said Sinner. after that defeat against Alcaraz in New York.
“I’m looking forward to play these matches again, something new is now that I’m not No 1 anymore. Now you chase, it’s different.
“Maybe I will lose some matches from now on, but I will try to do some changes, trying to be a bit more unpredictable as a player and because I think that’s what I have to do, trying to become a better tennis player.”
Even with his strong recent run, the ATP Tour figures for the last 12 months show that there is still work to be done in one area. Sinner ranks 35th in first serve percentage at 63.8%, well behind Alexander Zverev, who leads the list at 72.5%.
The Italian, however, is far more dominant once the first serve lands. He leads the tour in service points won at 80.9%, just ahead of Reilly Opelka on 80.8% and Taylor Fritz on 79.7%.
He also tops service games won at 92.9%, underlining how difficult he is to break. Opelka follows on 90.6%, with Ben Shelton third at 90.4% and Alcaraz at 89.9%.
One remaining area is ace production. Sinner is 27th in that category with an average of 8.2 per match, while Opelka leads with 18.5, followed by Giovanni Mpetshi Perricard on 15.1 and Fritz on 14.1.
ATP
Sinner climbs to No 4 on all-time prize money list after Wimbledon defence
Sinner’s Wimbledon defence lifts him to No 4 on the all-time prize money list in 2026.
Jannik Sinner’s successful Wimbledon title defence brought more than another major trophy. It also lifted the Italian to No 4 on the all-time career prize money list.
Before Wimbledon 2026, Sinner sat at No 6, with Novak Djokovic, Rafael Nadal and Roger Federer occupying the top three spots and Alexander Zverev and Carlos Alcaraz positioned above him. Zverev had recently passed both Alcaraz and Sinner after his French Open run, but the order shifted again once Sinner collected $4,830,756 (£3,600,000) for his latest Wimbledon triumph.
That result leaves Sinner close to becoming only the fourth player to move beyond $70m in career prize money. He has already earned $11,620,364 in 2026 and is on track to break the $20m barrier for the first time in a season.
His rise has been rapid. Last year, he took in $19,120,641, a total that included a record $5,071,000 for winning the ATP Finals undefeated. He finished second on the 2025 earnings list behind Alcaraz, who made $21,354,778, after leading the way in 2024 with $19,735,703.
At the end of the 2024 season, Sinner stood on $37,238,688. Since the start of the 2025 campaign, he has added another $32,347,873. From just $36 in prize money in his first professional year, he now sits on $69,586,561.
Zverev is fifth with $68,392,312, while Alcaraz is on $64,997,598 after not adding to his tally since April because of injury. Andy Murray has fallen to No 7 on $64,687,542, with Daniil Medvedev eighth on $52,192,594. Djokovic, Sinner, Zverev, Alcaraz and Medvedev are the only active players to have passed $40m.
Djokovic remains far ahead in first place with $194,656,816, including $3,000,801 earned in 2026. Nadal is second on $134,946,100 and Federer third on $130,594,339.
ATP French Open Grand Slam
Auger-Aliassime Reaches Career-High No. 4 After Breakthrough at Roland Garros
Auger-Aliassime rises to No. 4 after best Roland Garros run, tying second-highest Canadian rank. Now
Felix Auger-Aliassime moved to a career-high No. 4 in the ATP rankings following his deepest run at Roland Garros, where the 25-year-old reached the quarterfinals for the first time before losing to eventual finalist Flavio Cobolli. The result completed a personal Grand Slam milestone: having previously reached the quarterfinals or better at the Australian Open, Wimbledon and the US Open, he became the first Canadian man to reach the quarterfinals or better at all four majors in his career.
The rise from No. 6 to No. 4 surpasses his prior best of No. 5 and places him tied for the second-highest-ranked Canadian in ATP or WTA rankings history. The only other Canadians to reach the top four are Milos Raonic and Bianca Andreescu. Raonic went as high as No. 3 in 2016, following his run to the Wimbledon final that year, and Andreescu peaked at No. 4 in 2019 after winning the US Open.
Canadian tennis has seen seven players reach the top 10 in either ATP or WTA history, with official rankings available since 1973 for the ATP and 1975 for the WTA.
Auger-Aliassime still has ground to cover to move higher in the standings. He is 2,865 points behind the current world No. 3, Alexander Zverev, with the rankings showing Zverev at 7,305 points and Auger-Aliassime at 4,440.
The Canadian will shift his focus to grass. He begins his grass-court season this week at the ATP 250 event in ‘s-Hertogenbosch, entering as the No. 1 seed. After a first-round bye he will open against either Hubert Hurkacz or Marton Fucsovics.
The new ranking reflects a season of important progress for Auger-Aliassime and cements his place among the highest-ranked Canadians in modern tennis history.
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