WORLD #1 ON

Jimmy Connors (1974) → Jannik Sinner (2026) — 19 different #1s on August 17

Date	Player	Week
August 17, 2026	Jannik Sinner	19
August 17, 2025	Jannik Sinner	62
August 17, 2024	Jannik Sinner	10
August 17, 2023	Carlos Alcaraz	8
August 17, 2022	Daniil Medvedev	10
August 17, 2021	Novak Djokovic	52
August 17, 2020	Rankings frozenCOVID-19
August 17, 2019	Novak Djokovic	41
August 17, 2018	Rafael Nadal	8
August 17, 2017	Andy Murray	41
August 17, 2016	Novak Djokovic	111
August 17, 2015	Novak Djokovic	59
August 17, 2014	Novak Djokovic	6
August 17, 2013	Novak Djokovic	41
August 17, 2012	Roger Federer	6
August 17, 2011	Novak Djokovic	7
August 17, 2010	Rafael Nadal	11
August 17, 2009	Roger Federer	7
August 17, 2008	Roger Federer	237
August 17, 2007	Roger Federer	185
August 17, 2006	Roger Federer	133
August 17, 2005	Roger Federer	81
August 17, 2004	Roger Federer	29
August 17, 2003	Andre Agassi	9
August 17, 2002	Lleyton Hewitt	39
August 17, 2001	Gustavo Kuerten	17
August 17, 2000	Andre Agassi	49
August 17, 1999	Pete Sampras	3
August 17, 1998	Marcelo Ríos	2
August 17, 1997	Pete Sampras	70
August 17, 1996	Pete Sampras	18
August 17, 1995	Andre Agassi	19
August 17, 1994	Pete Sampras	49
August 17, 1993	Pete Sampras	19
August 17, 1992	Jim Courier	19
August 17, 1991	Boris Becker	6
August 17, 1990	Stefan Edberg	1
August 17, 1989	Ivan Lendl	29
August 17, 1988	Ivan Lendl	154
August 17, 1987	Ivan Lendl	102
August 17, 1986	Ivan Lendl	49
August 17, 1985	John McEnroe	53
August 17, 1984	John McEnroe	1
August 17, 1983	John McEnroe	7
August 17, 1982	John McEnroe	55
August 17, 1981	John McEnroe	3
August 17, 1980	John McEnroe	1
August 17, 1979	Björn Borg	6
August 17, 1978	Jimmy Connors	51
August 17, 1977	Jimmy Connors	160
August 17, 1976	Jimmy Connors	108
August 17, 1975	Jimmy Connors	55
August 17, 1974	Jimmy Connors	3

Date	Player	Week
August 17, 2026	Aryna Sabalenka	96
August 17, 2025	Aryna Sabalenka	43
August 17, 2024	Iga Świątek	41
August 17, 2023	Iga Świątek	72
August 17, 2022	Iga Świątek	20
August 17, 2021	Ashleigh Barty	54
August 17, 2020	Ashleigh Barty	2
August 17, 2019	Naomi Osaka	1
August 17, 2018	Simona Halep	25
August 17, 2017	Karolína Plíšková	5
August 17, 2016	Serena Williams	183
August 17, 2015	Serena Williams	131
August 17, 2014	Serena Williams	78
August 17, 2013	Serena Williams	26
August 17, 2012	Victoria Azarenka	6
August 17, 2011	Caroline Wozniacki	26
August 17, 2010	Serena Williams	42
August 17, 2009	Dinara Safina	18
August 17, 2008	Jelena Janković	1
August 17, 2007	Justine Henin	22
August 17, 2006	Amélie Mauresmo	22
August 17, 2005	Lindsay Davenport	44
August 17, 2004	Justine Henin	41
August 17, 2003	Kim Clijsters	1
August 17, 2002	Serena Williams	6
August 17, 2001	Martina Hingis	65
August 17, 2000	Martina Hingis	13
August 17, 1999	Martina Hingis	2
August 17, 1998	Martina Hingis	73
August 17, 1997	Martina Hingis	20
August 17, 1996	Steffi Graf & Monica Selesco-#1	62
August 17, 1995	Steffi Graf & Monica Selesco-#1	10
August 17, 1994	Steffi Graf	63
August 17, 1993	Steffi Graf	11
August 17, 1992	Monica Seles	50
August 17, 1991	Monica Seles	1
August 17, 1990	Steffi Graf	157
August 17, 1989	Steffi Graf	105
August 17, 1988	Steffi Graf	53
August 17, 1987	Steffi Graf	1
August 17, 1986	Martina Navratilova	38
August 17, 1985	Chris Evert	10
August 17, 1984	Martina Navratilova	114
August 17, 1983	Martina Navratilova	62
August 17, 1982	Martina Navratilova	10
August 17, 1981	Chris Evert	39
August 17, 1980	Tracy Austin	6
August 17, 1979	Chris Evert	8
August 17, 1978	Martina Navratilova	6
August 17, 1977	Chris Evert	67
August 17, 1976	Chris Evert	15

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