Timespan between first and last time ranked No. 1

Rank (exact):No. 1No. 2No. 3No. 4No. 5No. 6No. 7No. 8No. 9No. 10

Rank	Player	Timespan	First	Last
1	Roger Federer	14y 4m 16d	2004-02-02	2018-06-18
2	Novak Djokovic	12y 10m 30d	2011-07-04	2024-06-03
3	Rafael Nadal	11y 5m 9d	2008-08-18	2020-01-27
4	Jimmy Connors	8y 11m 19d	1974-07-08	1983-06-27
5	Andre Agassi	8y 4m 22d	1995-04-10	2003-09-01
6	Pete Sampras	7y 7m 1d	1993-04-12	2000-11-13
7	Ivan Lendl	7y 5m 9d	1983-02-28	1990-08-06
8	John McEnroe	5y 5m 30d	1980-03-03	1985-09-02
9	Bjorn Borg	3y 11m 12d	1977-08-15	1981-07-27
10	Carlos Alcaraz	3y 6m 4d	2022-09-12	2026-03-16
11	Stefan Edberg	2y 1m 15d	1990-08-13	1992-09-28
12	Jim Courier	1y 6m 27d	1992-02-10	1993-09-06
13	Lleyton Hewitt	1y 6m 21d	2001-11-19	2003-06-09
14	Jannik Sinner	1y 4m 24d	2024-06-10	2025-11-03
15	Gustavo Kuerten	0y 11m 8d	2000-12-04	2001-11-12
16	John Newcombe	0y 9m 21d	1973-09-10	1974-07-01
17	Andy Murray	0y 9m 7d	2016-11-07	2017-08-14
18	Ilie Nastase	0y 9m 7d	1973-08-20	1974-05-27
19	Boris Becker	0y 7m 5d	1991-01-28	1991-09-02
20	Daniil Medvedev	0y 6m 8d	2022-02-28	2022-09-05