Youngest Players to Reach No. 1

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

Rank	Player	Age at No. 1	Date
1	Carlos Alcaraz	19y 7m 21d	2022-12-26
2	Lleyton Hewitt	20y 10m 7d	2001-12-31
3	Andy Roddick	21y 3m 29d	2003-12-29
4	Jimmy Connors	22y 3m 28d	1974-12-30
5	Jim Courier	22y 4m 11d	1992-12-28
6	Pete Sampras	22y 4m 15d	1993-12-27
7	Rafael Nadal	22y 6m 26d	2008-12-29
8	John McEnroe	22y 10m 12d	1981-12-28
9	Guillermo Vilas	23y 4m 12d	1975-12-29
10	Jannik Sinner	23y 4m 14d	2024-12-30
11	Roger Federer	23y 4m 19d	2004-12-27
12	Bjorn Borg	23y 6m 25d	1979-12-31
13	Gustavo Kuerten	24y 3m 15d	2000-12-25
14	Mats Wilander	24y 4m 4d	1988-12-26
15	Novak Djokovic	24y 7m 4d	2011-12-26
16	Stefan Edberg	24y 11m 12d	1990-12-31
17	Ivan Lendl	25y 9m 23d	1985-12-30
18	Ilie Nastase	27y 5m 12d	1973-12-31
19	Andy Murray	29y 7m 11d	2016-12-26
20	Andre Agassi	29y 7m 28d	1999-12-27