Ahead of the 2026 Laver Cup in London, tennis great Roger Federer identified Jannik Sinner as the toughest player to beat on the ATP Tour, praising the Italian’s dominant season while also evaluating the current standing of Carlos Alcaraz and Alexander Zverev.
Speaking to media outlets ahead of the tournament, the 20-time Grand Slam champion broke down the strengths of the men’s circuit’s top three figures. While Federer highlighted Sinner as the most formidable obstacle, he acknowledged Alcaraz’s unmatched ceiling and Zverev’s proven major-winning pedigree.
“Diría que Sinner, por el dominio que tuvo en Masters 1000 hasta su lesión. Carlos en su mejor nivel puede ser el mejor y Zverev ya ganó Grand Slam, pero por el año que tuvo Jannik, diría que es el rival más difícil de vencer,” declared Federer, as reported by Match Tenis.
The Case for Jannik Sinner
Federer pointed directly to Sinner’s consistency and commanding run through the ATP Masters 1000 series as the primary differentiator before the Italian encountered a knee injury setback.
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Evaluating Alcaraz and Zverev
While giving Sinner the edge for his overall body of work over the past year, Federer kept high praise for his rivals. He noted that Carlos Alcaraz, when operating at his absolute best, possesses a high-end level that surpasses the rest of the tour. Alcaraz arrives in London to compete in the 2026 Laver Cup, where he is scheduled to partner with Jakub Mensik in the doubles draw on the opening Friday evening session.
At the same time, Federer acknowledged Alexander Zverev’s established status as a Grand Slam champion, referencing Zverev’s triumph at the US Open as proof of his ability to close out major titles under intense pressure.
Tournament Context in London
The remarks arrived on the grounds of the O2 Arena in London, which also recently honored Federer with an official tribute marking four years since his professional retirement from the sport.
Competition at the 2026 Laver Cup continues through the weekend, featuring high-profile matchups across singles and doubles play as Team Europe and Team World battle for the trophy.
