Italian tennis player Jannik Sinner has accumulated 59 consecutive weeks as number 1 in the ATP ranking since his debut in that position on June 10, 2024: contentReference[oaicite:1]{index=1}.
With this record, Sinner surpasses figures such as John McEnroe (58 weeks) and is behind Lleyton Hewitt (75 weeks), Jimmy Connors, Roger Federer and others in the historical ranking of permanence as leader :contentReference[oaicite:2]{index=2}.
Regarding players still active, Sinner leads by a wide margin: Carlos Alcaraz, his current closest rival, has only accumulated 36 total weeks as number 1, without leading the ranking consecutively :contentReference[oaicite:3]{index=3}.
In addition, Sinner is part of a select group of only five players who have remained at least a full year (52 weeks or more) during their first stint at the top: Roger Federer, Jimmy Connors, Lleyton Hewitt, Novak Djokovic and Sinner himself :contentReference[oaicite:4]{index=4}.
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