Alexander Zverev will end 2026 as the ATP world number one after capturing his first two Grand Slam titles at the French Open and the US Open. At 29, he becomes the oldest man in more than 50 years to reach the top ranking for the first time.
Breakthrough after years of near misses
Before this season Zverev was widely regarded as the best male player never to have won a major. He had lost three Grand Slam finals, most painfully the 2020 US Open final where he led Dominic Thiem by two sets to love before falling in a fifth‑set tie‑break. A 10‑day training block with Rafael Nadal and his uncle Toni in Mallorca in July 2025 prompted a tactical shift: Zverev committed to hitting with more speed, taking greater risks and adding variety. The change paid off in Paris, where he overcame cramping in the final against Flavio Cobolli to win the deciding set 6‑1.
Family‑driven development
Zverev’s rise is a family affair. His father, Alex Sr, has been a constant presence in the coaching box, while older brother Mischa, a former tour player, joined the team after retiring. Zverev credits his parents for never forcing him into tennis and encouraging other sports, which he believes fostered a healthy relationship with the game.
Allegations and investigations
Despite his on‑court achievements, Zverev’s ascent has been shadowed by serious off‑court allegations. In October 2020, former partner Olga Sharypova accused him of physical violence and controlling behaviour. An ATP‑commissioned independent investigation concluded in January 2023 that there was insufficient evidence to substantiate the claims. In October 2023 a German court issued a penalty order fining Zverev €450,000 for bodily harm against another ex‑partner, Brenda Patea. The proceedings were terminated in May 2024 after a settlement; the court stressed the decision was not a verdict on guilt or innocence. Zverev has consistently denied all allegations.
On‑court discipline issues
Zverev also received an eight‑week suspended ban in 2022 for smashing his racquet into the umpire’s chair during a doubles match at the Mexican Open. The ban was never activated as he avoided further sanctions over the following 12 months.
With two major titles and the year‑end number one ranking secured, Zverev now faces the challenge of turning 2027 into a three‑way rivalry with Jannik Sinner and Carlos Alcaraz, having lost his last 10 matches to Sinner.
