The ten men who have spent the most weeks at No. 1 in the ATP singles rankings since 1973, led by Novak Djokovic's record 428 weeks.
Novak Djokovic has spent the most weeks at world No. 1 in the ATP men's singles rankings, with 428. Roger Federer is second at 310 weeks and Pete Sampras third at 286. The ranking counts total weeks at No. 1 in the ATP computer rankings since August 23, 1973, as tabulated on Wikipedia from the official rankings, as of October 21, 2026.
Since the ATP began ranking men's singles players by computer on August 23, 1973, 29 players have been ranked No. 1. The No. 1 is the player with the most ranking points over the previous 52 weeks, so weeks at No. 1 measure how long a player stayed on top of the tour, not a single tournament. Novak Djokovic leads with 428 weeks, ahead of Roger Federer (310) and Pete Sampras (286). Jannik Sinner, the No. 1 as of October 21, 2026 and so the only player in the top 10 still adding weeks, sits tenth with 94. Lleyton Hewitt (80) is next, just outside the list.
Djokovic holds the ATP record of 428 weeks at No. 1, 275 of them in the 2010s and 153 in the 2020s. He first reached the top on July 4, 2011, and also holds the record of eight year-end No. 1 finishes.
Federer spent 310 weeks at No. 1, including a record 237 in a row from February 2, 2004. His first and most recent dates at No. 1 (February 2, 2004 and June 24, 2018) are the longest span of any player.
Sampras totalled 286 weeks at No. 1, 276 of them in the 1990s. He finished a record six consecutive years as year-end No. 1.
Lendl spent 270 weeks at No. 1, including a run of 157 in a row. He is one of two players to reach No. 1 before winning a major singles title.
Connors held No. 1 for 268 weeks, starting with a 160-week run from July 29, 1974. He was No. 1 for the entire year in 1975, 1976 and 1978.
Nadal spent 209 weeks at No. 1 and is the only player to hold the top ranking in three different decades: 46 weeks in the 2000s, 159 in the 2010s and 4 in the 2020s.
McEnroe's 170 weeks at No. 1 all came in the 1980s. He held the No. 1 ranking a record 14 separate times.
Borg spent 109 weeks at No. 1, 33 in the 1970s and 76 in the 1980s. His longest unbroken spell was 46 weeks.
Agassi totalled 101 weeks at No. 1, split almost evenly between the 1990s (51) and the 2000s (50). His longest run was 52 weeks.
Sinner was No. 1 when this list was compiled, with 94 weeks as of the rankings week of October 19, 2026; his current spell began on April 13, 2026. As of October 2026, the source page reports, citing the ATP, that he ended his 2026 season through injury and that Alexander Zverev clinched the 2026 year-end No. 1 ranking.
| # | Name | First year at No. 1 | Longest run (weeks) | Year-end No. 1 finishes |
|---|---|---|---|---|
| 1 | Novak Djokovic | 2011 | 122 | 8 |
| 2 | Roger Federer | 2004 | 237 | 5 |
| 3 | Pete Sampras | 1993 | 102 | 6 |
| 4 | Ivan Lendl | 1983 | 157 | 4 |
| 5 | Jimmy Connors | 1974 | 160 | 5 |
| 6 | Rafael Nadal | 2008 | 56 | 5 |
| 7 | John McEnroe | 1980 | 58 | 4 |
| 8 | Björn Borg | 1977 | 46 | 2 |
| 9 | Andre Agassi | 1995 | 52 | 1 |
| 10 | Jannik Sinner | 2024 | 65 | 1 |
Players are ranked by total weeks ranked No. 1 in the ATP men's singles rankings, which have been computer-generated since August 23, 1973. Figures are taken from the 'Weeks at No. 1' total table on Wikipedia's 'List of ATP number 1 ranked singles tennis players', as the page read on October 21, 2026. The page computes Sinner's current total automatically from the date, updating each Monday (UTC). Jannik Sinner was No. 1 when the page was read and is still accruing weeks: the page counts his current spell from April 13, 2026 (94 weeks in total as of the rankings week of October 19, 2026) and its figures update each Monday, so his total will rise for as long as he stays No. 1. The page notes that the rankings were frozen from March 23 to August 23, 2020, because of the COVID-19 pandemic; totals are used exactly as the page gives them. Players with equal totals would share a rank; there are no ties in this top 10. The 'Longest run' column is each player's longest unbroken spell at No. 1, from the page's consecutive-weeks table, and 'Year-end No. 1 finishes' comes from its per-player year-end table.
Novak Djokovic, with 428 weeks at No. 1 in the ATP rankings. Roger Federer is second with 310 and Pete Sampras third with 286.
Roger Federer, with 237 consecutive weeks starting on February 2, 2004. Jimmy Connors (160) and Ivan Lendl (157) have the next-longest runs.
Novak Djokovic, with eight. Pete Sampras has six, and Jimmy Connors, Roger Federer and Rafael Nadal have five each.
As of October 21, 2026, yes: Sinner had 94 weeks, in a spell that began on April 13, 2026, and adds a week for each further ranking week he stays No. 1. The source page also reports, citing the ATP in October 2026, that he ended his 2026 season through injury and that Alexander Zverev clinched the 2026 year-end No. 1 ranking.
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