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The WTA Tier I tournaments^[1] were Women's Tennis Association tennis elite tournaments held from 1990 until the end of the 2008 season. From 1988 to 1990, the different levels of WTA tournaments were referred to by the term 'Category', and there were 5 categories.^[2] Two of the Tier I tournaments, Indian Wells and Miami, were also joint events held simultaneously with the ATP Tour Masters Series.

There were initially 6 Tier I tournaments held annually from 1990. The list expanded to 8 events in 1993, 9 in 1997 and 10 in 2004, before being scaled back to 9 for 2008.

In 2009 the WTA changed the tournament categories, so that the majority of Tier I and Tier II tournaments were in one category, Premier Tournaments, split into three categories.

Events

Tournament	Also known as	City(s)	Country	Court surface	Tier I from	Years
Miami Open	Sony Ericsson Open	Miami	United States	Hard	1990–2008	19
German Open	Qatar Total German Open^[3]	Berlin^[a]	Germany^[a]	Red Clay	1990–2008	19
Canadian Open	Rogers Cup	Montreal/Toronto (rotates each year)	Canada	Hard	1990–2008	19
Family Circle Cup	Family Circle Cup	Hilton Head and Charleston	United States	Green Clay	1990–2008	19
Italian Open	Internazionali BNL d'Italia	Rome	Italy	Red Clay	1990–2008	19
Pan Pacific Open	Toray Pan Pacific Open	Yokohama and Tokyo	Japan	Hard	1993–2008	16
Zurich Open	Zurich Open	Zürich	Switzerland	Hard (i)	1993–2007	15
Indian Wells Open	Pacific Life Open	Indian Wells	United States	Hard	1997–2008	12
Kremlin Cup	Kremlin Cup	Moscow	Russia	Carpet (i)	1997–2008	12
Southern California Open	Acura Classic	San Diego	United States	Hard	2004–2007	4
Advanta Championships Philadelphia	Advanta Championships Philadelphia	Philadelphia	United States	Carpet (i)	1993–1995	3
Virginia Slims of Florida	Virginia Slims of Florida	Boca Raton	United States	Hard	1991–1992	2
Ameritech Cup	Ameritech Cup Chicago	Chicago	United States	Carpet (i)	1990	1
Qatar Open	Qatar Total Open	Doha	Qatar	Hard	2008	1

^ ^a ^b Until German reunification, in 1990, tournament was held in West Berlin, West Germany.

Singles results

1990

Main article: 1990 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Chicago	Martina Navratilova	Manuela Maleeva-Fragniere	6–3, 6–2
Miami	Monica Seles	Judith Wiesner	6–1, 6–2
Hilton Head	Martina Navratilova	Jennifer Capriati	6–2, 6–4
Rome	Monica Seles	Martina Navratilova	6–1, 6–1
Berlin	Monica Seles	Steffi Graf	6–4, 6–3
Montreal	Steffi Graf	Katerina Maleeva	6–1, 6–7^(6–8), 6–3

1991

Main article: 1991 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Boca Raton	Gabriela Sabatini	Steffi Graf	6–4, 7–6^(8–6)
Miami	Monica Seles	Gabriela Sabatini	6–3, 7–5
Hilton Head	Gabriela Sabatini	Leila Meskhi	6–1, 6–1
Rome	Gabriela Sabatini	Monica Seles	6–3, 6–2
Berlin	Steffi Graf	Arantxa Sánchez Vicario	6–3, 4–6, 7–6^(8–6)
Toronto	Jennifer Capriati	Katerina Maleeva	6–2, 6–3

1992

Main article: 1992 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Boca Raton	Steffi Graf	Conchita Martínez	3–6, 6–2, 6–0
Miami	Arantxa Sánchez Vicario	Gabriela Sabatini	6–1, 6–4
Hilton Head	Gabriela Sabatini	Conchita Martínez	6–1, 6–4
Rome	Gabriela Sabatini	Monica Seles	7–5, 6–4
Berlin	Steffi Graf	Arantxa Sánchez Vicario	4–6, 7–5, 6–2
Montreal	Arantxa Sánchez Vicario	Monica Seles	6–3, 4–6, 6–4

1993

Main article: 1993 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Yokohama^[a]	Martina Navratilova	Larisa Savchenko-Neiland	6–2, 6–2
Miami	Arantxa Sánchez Vicario	Steffi Graf	6–4, 3–6, 6–3
Hilton Head	Steffi Graf	Arantxa Sánchez Vicario	7–6^(10–8), 6–1
Rome	Conchita Martínez	Gabriela Sabatini	7–5, 6–1
Berlin	Steffi Graf	Gabriela Sabatini	7–6^(7–3), 2–6, 6–4
Toronto	Steffi Graf	Jennifer Capriati	6–1, 0–6, 6–3
Zurich	Manuela Maleeva-Fragniere	Martina Navratilova	6–3, 7–6^(7–1)
Philadelphia	Conchita Martínez	Steffi Graf	6–3, 6–3

^ In 1993, the Toray Pan Pacific Open was held in Yokohama instead of Tokyo.

1994

Main article: 1994 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Steffi Graf	Martina Navratilova	6–2, 6–4
Miami	Steffi Graf	Natasha Zvereva	4–6, 6–1, 6–2
Hilton Head	Conchita Martínez	Natasha Zvereva	6–4, 6–0
Rome	Conchita Martínez	Martina Navratilova	7–6^(7–5), 6–4
Berlin	Steffi Graf	Brenda Schultz	7–6^(8–6), 6–4
Montreal	Arantxa Sánchez Vicario	Steffi Graf	7–5, 1–6, 7–6^(7–4)
Zurich	Magdalena Maleeva	Natasha Zvereva	7–5, 3–6, 6–4
Philadelphia	Anke Huber	Mary Pierce	6–0, 6–7^(4–7), 7–5

1995

Main article: 1995 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Kimiko Date	Lindsay Davenport	6–1, 6–2
Miami	Steffi Graf	Kimiko Date	6–1, 6–4
Hilton Head	Conchita Martínez	Magdalena Maleeva	6–1, 6–1
Rome	Conchita Martínez	Arantxa Sánchez Vicario	6–3, 6–1
Berlin	Arantxa Sánchez Vicario	Magdalena Maleeva	6–4, 6–1
Toronto	Monica Seles	Amanda Coetzer	6–0, 6–1
Zurich	Iva Majoli	Mary Pierce	6–4, 6–4
Philadelphia	Steffi Graf	Lori McNeil	6–1, 4–6, 6–3

1996

Main article: 1996 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Iva Majoli	Arantxa Sánchez Vicario	6–4, 6–1
Indian Wells	Steffi Graf	Conchita Martínez	7–6^(7–5), 7–6^(7–5)
Miami	Steffi Graf	Chanda Rubin	6–1, 6–3
Hilton Head	Arantxa Sánchez Vicario	Barbara Paulus	6–2, 2–6, 6–2
Rome	Conchita Martínez	Martina Hingis	6–2, 6–3
Berlin	Steffi Graf	Karina Habšudová	4–6, 6–2, 7–5
Montreal	Monica Seles	Arantxa Sánchez Vicario	6–1, 7–6^(7–2)
Zurich	Jana Novotná	Martina Hingis	6–2, 6–2

1997

Main article: 1997 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Martina Hingis	Steffi Graf	Walkover
Indian Wells	Lindsay Davenport	Irina Spîrlea	6–2, 6–1
Miami	Martina Hingis	Monica Seles	6–2, 6–1
Hilton Head	Martina Hingis	Monica Seles	3–6, 6–3, 7–6^(7–5)
Rome	Mary Pierce	Conchita Martínez	6–4, 6–0
Berlin	Mary Joe Fernández	Mary Pierce	6–4, 6–2
Toronto	Monica Seles	Anke Huber	6–2, 6–4
Zurich	Lindsay Davenport	Nathalie Tauziat	7–6^(7–3), 7–5
Moscow	Jana Novotná	Ai Sugiyama	6–3, 6–4

1998

Main article: 1998 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Lindsay Davenport	Martina Hingis	6–3, 6–3
Indian Wells	Martina Hingis	Lindsay Davenport	6–3, 6–4
Miami	Venus Williams	Anna Kournikova	2–6, 6–4, 6–1
Hilton Head	Amanda Coetzer	Irina Spîrlea	6–3, 6–4
Rome	Martina Hingis	Venus Williams	6–3, 2–6, 6–3
Berlin	Conchita Martínez	Amélie Mauresmo	6–4, 6–4
Montreal	Monica Seles	Arantxa Sánchez Vicario	6–3, 6–2
Zurich	Lindsay Davenport	Venus Williams	6–3, 6–4
Moscow	Mary Pierce	Monica Seles	7–6^(7–2), 6–3

1999

Main article: 1999 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Martina Hingis	Amanda Coetzer	6–2, 6–1
Indian Wells	Serena Williams	Steffi Graf	6–3, 3–6, 7–5
Miami	Venus Williams	Serena Williams	6–1, 4–6, 6–4
Hilton Head	Martina Hingis	Anna Kournikova	6–4, 6–3
Rome	Venus Williams	Mary Pierce	6–4, 6–2
Berlin	Martina Hingis	Julie Halard-Decugis	6–0, 6–1
Toronto	Martina Hingis	Monica Seles	6–4, 6–4
Zurich	Venus Williams	Martina Hingis	6–3, 6–4
Moscow	Nathalie Tauziat	Barbara Schett	2–6, 6–4, 6–1

2000

Main article: 2000 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Martina Hingis	Sandrine Testud	6–3, 7–5
Indian Wells	Lindsay Davenport	Martina Hingis	4–6, 6–4, 6–0
Miami	Martina Hingis	Lindsay Davenport	6–3, 6–2
Hilton Head	Mary Pierce	Arantxa Sánchez-Vicario	6–1, 6–0
Berlin	Conchita Martínez	Amanda Coetzer	6–1, 6–2
Rome	Monica Seles	Amélie Mauresmo	6–2, 7–6^(7–4)
Montreal	Martina Hingis	Serena Williams	0–6, 6–3, 3-0 retired
Zurich	Martina Hingis	Lindsay Davenport	6–2, 4–6, 7–5
Moscow	Martina Hingis	Anna Kournikova	6–3, 6–1

2001

Main article: 2001 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Lindsay Davenport	Martina Hingis	6–7^(4–7), 6–4, 6–2
Indian Wells	Serena Williams	Kim Clijsters	4–6, 6–4, 6–2
Miami	Venus Williams	Jennifer Capriati	4–6, 6–1, 7–6^(7–4)
Charleston	Jennifer Capriati	Martina Hingis	6–0, 4–6, 6–4
Berlin	Amélie Mauresmo	Jennifer Capriati	6–4, 2–6, 6–3
Rome	Jelena Dokić	Amélie Mauresmo	7–6^(7–3), 6–1
Toronto	Serena Williams	Jennifer Capriati	6–1, 6–7^(7–9), 6–3
Moscow	Jelena Dokić	Elena Dementieva	6–3, 6–3
Zurich	Lindsay Davenport	Jelena Dokić	6–3, 6–1

2002

Main article: 2002 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Martina Hingis	Monica Seles	7–6^(8–6), 4–6, 6–3
Indian Wells	Daniela Hantuchová	Martina Hingis	6–3, 6–4
Miami	Serena Williams	Jennifer Capriati	7–5, 7–6
Charleston	Iva Majoli	Patty Schnyder	6–3, 6–4
Berlin	Justine Henin	Serena Williams	6–2, 1–6, 7–6^(7–5)
Rome	Serena Williams	Justine Henin	7–6, 6–4
Montreal	Amélie Mauresmo	Jennifer Capriati	6–4, 6–1
Moscow	Magdalena Maleeva	Lindsay Davenport	5–7, 6–3, 7–6^(7–4)
Zurich	Patty Schnyder	Lindsay Davenport	6–7^(5–7), 7–6^(10–8), 6–3

2003

Main article: 2003 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Lindsay Davenport	Monica Seles	6–7^(6–8), 6–1, 6–2
Indian Wells	Kim Clijsters	Lindsay Davenport	6–4, 7–5
Miami	Serena Williams	Jennifer Capriati	4–6, 6–4, 6–1
Charleston	Justine Henin	Serena Williams	7–6^(7–5), 6–4
Berlin	Justine Henin	Kim Clijsters	6–4, 4–6, 7–5
Rome	Kim Clijsters	Amélie Mauresmo	3–6, 7–6^(7–3), 6–0
Toronto	Justine Henin	Lina Krasnoroutskaya	6–1, 6–0
Moscow	Anastasia Myskina	Amélie Mauresmo	6–2, 6–4
Zurich	Justine Henin	Jelena Dokić	6–0, 6–4

2004

Main article: 2004 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Lindsay Davenport	Magdalena Maleeva	6–4, 6–1
Indian Wells	Justine Henin	Lindsay Davenport	6–1, 6–4
Miami	Serena Williams	Elena Dementieva	6–1, 6–1
Charleston	Venus Williams	Conchita Martínez	2–6, 6–2, 6–1
Berlin	Amélie Mauresmo	Venus Williams	Walkover
Rome	Amélie Mauresmo	Jennifer Capriati	3–6, 6–3, 7–6^(8–6)
San Diego	Lindsay Davenport	Anastasia Myskina	6–1, 6–1
Montreal	Amélie Mauresmo	Elena Likhovtseva	6–1, 6–0
Moscow	Anastasia Myskina	Elena Dementieva	7–5, 6–0
Zurich	Alicia Molik	Maria Sharapova	4–6, 6–2, 6–3

2005

Main article: 2005 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Maria Sharapova	Lindsay Davenport	6–1, 3–6, 7–6^(7–5)
Indian Wells	Kim Clijsters	Lindsay Davenport	6–4, 4–6, 6–2
Miami	Kim Clijsters	Maria Sharapova	7–5, 6–3
Charleston	Justine Henin	Elena Dementieva	7–5, 6–4
Berlin	Justine Henin	Nadia Petrova	6–3, 4–6, 6–3
Rome	Amélie Mauresmo	Patty Schnyder	2–6, 6–3, 6–4
San Diego	Mary Pierce	Ai Sugiyama	6–3, 6–0
Toronto	Kim Clijsters	Justine Henin	7–5, 6–1
Moscow	Mary Pierce	Francesca Schiavone	6–4, 6–3
Zurich	Lindsay Davenport	Patty Schnyder	7–6, 6–3

2006

Main article: 2006 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Elena Dementieva	Martina Hingis	6–2, 6–0
Indian Wells	Maria Sharapova	Elena Dementieva	6–1, 6–2
Miami	Svetlana Kuznetsova	Maria Sharapova	6–4, 6–3
Charleston	Nadia Petrova	Patty Schnyder	6–3, 4–6, 6–1
Berlin	Nadia Petrova	Justine Henin	4–6, 6–4, 7–5
Rome	Martina Hingis	Dinara Safina	6–2, 7–5
San Diego	Maria Sharapova	Kim Clijsters	7–5, 7–5
Montreal	Ana Ivanovic	Martina Hingis	6–2, 6–3
Moscow	Anna Chakvetadze	Nadia Petrova	6–4, 6–4
Zurich	Maria Sharapova	Daniela Hantuchová	6–1, 4–6, 6–3

2007

Main article: 2007 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Tokyo	Martina Hingis	Ana Ivanovic	6–4, 6–2
Indian Wells	Daniela Hantuchová	Svetlana Kuznetsova	6–3, 6–4^[4]
Miami	Serena Williams	Justine Henin	0–6, 7–5, 6–3
Charleston	Jelena Janković	Dinara Safina	6–2, 6–2
Berlin	Ana Ivanovic	Svetlana Kuznetsova	3–6, 6–4, 7–6^(7–4)
Rome	Jelena Janković	Svetlana Kuznetsova	7–5, 6–1
San Diego	Maria Sharapova	Patty Schnyder	6–2, 3–6, 6–0
Toronto	Justine Henin	Jelena Janković	7–6^(7–3), 7–5
Moscow	Elena Dementieva	Serena Williams	5–7, 6–1, 6–1
Zurich	Justine Henin	Tatiana Golovin	6–4, 6–4

2008

Main article: 2008 WTA Tier I Series

Tournament	Winner	Runner-up	Score
Doha	Maria Sharapova	Vera Zvonareva	6–1, 2–6, 6–0
Indian Wells	Ana Ivanovic	Svetlana Kuznetsova	6–4, 6–3
Miami	Serena Williams	Jelena Janković	6–1, 5–7, 6–3
Charleston	Serena Williams	Vera Zvonareva	6–4, 3–6, 6–3
Berlin	Dinara Safina	Elena Dementieva	3–6, 6–2, 6–2
Rome	Jelena Janković	Alizé Cornet	6–2, 6–2
Montreal	Dinara Safina	Dominika Cibulková	6–2, 6–1
Tokyo	Dinara Safina	Svetlana Kuznetsova	6–1, 6–3
Moscow	Jelena Janković	Vera Zvonareva	6–2, 6–4

Singles champions

Per year

Year	Doha	Tokyo	Indian Wells	Miami	Charleston	Berlin	Rome	San Diego	Canada	Moscow	Zurich	Chicago	Boca Raton	Philadelphia
1990	-	-	-	Seles (1/9)	Navratilova (1/3)	Seles (2/9)	Seles (3/9)	-	Graf (1/15)	-	-	Navratilova (2/3)	-	-
1991	-	-	-	Seles (4/9)	Sabatini (1/5)	Graf (2/15)	Sabatini (2/5)	-	Capriati (1/2)	-	-	-	Sabatini (3/5)	-
1992	-	-	-	Sánchez (1/6)	Sabatini (4/5)	Graf (3/15)	Sabatini (5/5)	-	Sánchez (2/6)	-	-	-	Graf (4/15)	-
1993	-	Navratilova (3/3)	-	Sánchez (3/6)	Graf (5/15)	Graf (6/15)	Martínez (1/9)	-	Graf (7/15)	-	Man.Maleeva (1/1)	-	-	Martínez (2/9)
1994	-	Graf (8/15)	-	Graf (9/15)	Martínez (3/9)	Graf (10/15)	Martínez (4/9)	-	Sánchez (4/6)	-	Mag.Maleeva (1/2)	-	-	Huber (1/1)
1995	-	Date (1/1)	-	Graf (11/15)	Martínez (5/9)	Sánchez (5/6)	Martínez (6/9)	-	Seles (5/9)	-	Majoli (1/3)	-	-	Graf (12/15)
1996	-	Majoli (2/3)	Graf (13/15)	Graf (14/15)	Sánchez (6/6)	Graf (15/15)	Martínez (7/9)	-	Seles (6/9)	-	Novotná (1/2)	-	-	-
1997	-	Hingis (1/17)	Davenport (1/11)	Hingis (2/17)	Hingis (3/17)	M.J.Fernandez (1/1)	Pierce (1/5)	-	Seles (7/9)	Novotná (2/2)	Davenport (2/11)	-	-	-
1998	-	Davenport (3/11)	Hingis (4/17)	V.Williams (1/6)	Coetzer (1/1)	Martínez (8/9)	Hingis (5/17)	-	Seles (8/9)	Pierce (2/5)	Davenport (4/11)	-	-	-
1999	-	Hingis (6/17)	S.Williams (1/10)	V.Williams (2/6)	Hingis (7/17)	Hingis (8/17)	V.Williams (3/6)	-	Hingis (9/17)	Tauziat (1/1)	V.Williams (4/6)	-	-	-
2000	-	Hingis (10/17)	Davenport (5/11)	Hingis (11/17)	Pierce (3/5)	Martínez (9/9)	Seles (9/9)	-	Hingis (12/17)	Hingis (13/17)	Hingis (14/17)	-	-	-
2001	-	Davenport (6/11)	S.Williams (2/10)	V.Williams (5/6)	Capriati (2/2)	Mauresmo (1/6)	Dokić (1/2)	-	S.Williams (3/10)	Dokić (2/2)	Davenport (7/11)	-	-	-
2002	-	Hingis (15/17)	Hantuchová (1/2)	S.Williams (4/10)	Majoli (3/3)	Henin (1/10)	S.Williams (5/10)	-	Mauresmo (2/6)	Mag.Maleeva (2/2)	Schnyder (1/1)	-	-	-
2003	-	Davenport (8/11)	Clijsters (1/5)	S.Williams (6/10)	Henin (2/10)	Henin (3/10)	Clijsters (2/5)	-	Henin (4/10)	Myskina (1/2)	Henin (5/10)	-	-	-
2004	-	Davenport (9/11)	Henin (6/10)	S.Williams (7/10)	V.Williams (6/6)	Mauresmo (3/6)	Mauresmo (4/6)	Davenport (10/11)	Mauresmo (5/6)	Myskina (2/2)	Molik (1/1)	-	-	-
2005	-	Sharapova (1/6)	Clijsters (3/5)	Clijsters (4/5)	Henin (7/10)	Henin (8/10)	Mauresmo (6/6)	Pierce (4/5)	Clijsters (5/5)	Pierce (5/5)	Davenport (11/11)	-	-	-
2006	-	Dementieva (1/2)	Sharapova (2/6)	Kuznetsova (1/1)	Petrova (1/2)	Petrova (2/2)	Hingis (16/17)	Sharapova (3/6)	Ivanovic (1/3)	Chakvetadze (1/1)	Sharapova (4/6)	-	-	-
2007	-	Hingis (17/17)	Hantuchová (2/2)	S.Williams (8/10)	Janković (1/4)	Ivanovic (2/3)	Janković (2/4)	Sharapova (5/6)	Henin (9/10)	Dementieva (2/2)	Henin (10/10)	-	-	-
2008	Sharapova (6/6)	Safina (3/3)	Ivanovic (3/3)	S.Williams (9/10)	S.Williams (10/10)	Safina (1/3)	Janković (3/4)	-	Safina (2/3)	Janković (4/4)	-	-	-	-
Year	Doha	Tokyo	Indian Wells	Miami	Charleston	Berlin	Rome	San Diego	Canada	Moscow	Zurich	Chicago	Boca Raton	Philadelphia

Per player

Rank	Player	DOH	IND	MIA	CHA	BER	ROM	CAN	TOK	MOS	SAN	ZUR	CHI	BOC	PHI	Total
1	Martina Hingis	-	1	2	2	1	2	2	5	1	-	1	-	-	-	17
2	Steffi Graf	-	1	3	1	5	-	2	1	-	-	-	-	1	1	15
3	Lindsay Davenport	-	2	-	-	-	-	-	4	-	1	4	-	-	-	11
4	Justine Henin	-	1	-	2	3	-	2	-	-	-	2	-	-	-	10
4	Serena Williams	-	2	5	1	-	1	1	-	-	-	-	-	-	-	10
6	Conchita Martínez	-	-	-	2	2	4	-	-	-	-	-	-	-	1	9
6	/ Monica Seles	-	-	2	-	1	2	4	-	-	-	-	-	-	-	9
8	Amélie Mauresmo	-	-	-	-	2	2	2	-	-	-	-	-	-	-	6
	Arantxa Sánchez Vicario	-	-	2	1	1	-	2	-	-	-	-	-	-	-
	Maria Sharapova	1	1	-	-	-	-	-	1	-	2	1	-	-	-
	Venus Williams	-	-	3	1	-	1	-	-	-	-	1	-	-	-
12	Gabriela Sabatini	-	-	-	2	-	2	-	-	-	-	-	-	1	-	5
	Kim Clijsters	-	2	1	-	-	1	1	-	-	-	-	-	-	-
	Mary Pierce	-	-	-	1	-	1	-	-	2	1	-	-	-	-
15	Jelena Janković	-	-	-	1	-	2	-	-	1	-	-	-	-	-	4
16	Ana Ivanovic	-	1	-	-	1	-	1	-	-	-	-	-	-	-	3
	Iva Majoli	-	-	-	1	-	-	-	1	-	-	1	-	-	-
	Martina Navratilova	-	-	-	1	-	-	-	1	-	-	-	1	-	-
	Dinara Safina	-	-	-	-	1	-	1	1	-	-	-	-	-	-
20	Jennifer Capriati	-	-	-	1	-	-	1	-	-	-	-	-	-	-	2
	Elena Dementieva	-	-	-	-	-	-	-	1	1	-	-	-	-	-
	Jelena Dokić	-	-	-	-	-	1	-	-	1	-	-	-	-	-
	Daniela Hantuchová	-	2	-	-	-	-	-	-	-	-	-	-	-	-
	Magdalena Maleeva	-	-	-	-	-	-	-	-	1	-	1	-	-	-
	Anastasia Myskina	-	-	-	-	-	-	-	-	2	-	-	-	-	-
	Jana Novotná	-	-	-	-	-	-	-	-	1	-	1	-	-	-
	Nadia Petrova	-	-	-	1	1	-	-	-	-	-	-	-	-	-
28	Anna Chakvetadze	-	-	-	-	-	-	-	-	1	-	-	-	-	-	1
	Amanda Coetzer	-	-	-	1	-	-	-	-	-	-	-	-	-	-
	Kimiko Date	-	-	-	-	-	-	-	1	-	-	-	-	-	-
	Mary Joe Fernandez	-	-	-	-	1	-	-	-	-	-	-	-	-	-
	Anke Huber	-	-	-	-	-	-	-	-	-	-	-	-	-	1
	Svetlana Kuznetsova	-	-	1	-	-	-	-	-	-	-	-	-	-	-
	Manuela Maleeva-Fragnière	-	-	-	-	-	-	-	-	-	-	1	-	-	-
	Alicia Molik	-	-	-	-	-	-	-	-	-	-	1	-	-	-
	Patty Schnyder	-	-	-	-	-	-	-	-	-	-	1	-	-	-
	Nathalie Tauziat	-	-	-	-	-	-	-	-	1	-	-	-	-	-

DOH = Doha, IND = Indian Wells, MIA = Miami, CHA = Charleston, BER = Berlin, ROM = Rome, CAN = Canada, TOK = Tokyo, MOS = Moscow, SAN = San Diego, ZUR = Zürich, CHI = Chicago, BOC = Boca Raton, PHI = Philadelphia.
Miami before 2000 was held in Key-Biscayne, Charleston before 2001 was held in Hilton Head, Tokyo in 1993 was held in Yokohama; Chicago has been a Tier I only in 1990, Boca Raton in 1991 and 1992, Philadelphia from 1993 to 1995, Zürich from 1993 to 2007 and San Diego from 2004 to 2007.

Tier I records & statistics

Singles

The most titles won: Martina Hingis, 17
The most final appearances: Martina Hingis, 27
The most wins of a particular Tier I tournament: 5 Steffi Graf, Berlin (1991-1994, 1996) Martina Hingis, Tokyo (1997, 1999-2000, 2002, 2007) Serena Williams, Miami (2002-2004, 2007–2008)
The most consecutive wins of a particular Tier I tournament:

Steffi Graf, Berlin, 4 (1991—1994)

Conchita Martinez, Rome, 4 (1993-1996)

Monica Seles, Canadian Open, 4 (1995—1998)

Fastest to...

5 titles: in 1 year, Hingis (Tokyo 2000 - Zurich 2000)
10 titles: in 3 years, Hingis (Tokyo 1997 - Tokyo 2000)
15 titles: in 5 years, Hingis (Tokyo 1997 - Tokyo 2002)
17 titles: in 12 years, Hingis (Tokyo 1997 - Tokyo 2008)
Quadruple titles:

Tokyo—Miami—Canada—Zurich ("The Hard Quadruple") Hingis, 2000

Triple titles:

Indian Wells—Miami—Canada ("The Hard Triple") Clijsters, 2005
Indian Wells—San Diego—Zurich ("The Hard Triple") Sharapova, 2006

Double titles:

Canada - Miami (Hard)	Sanchez Vicario	1992
Canada — Tokyo (Hard)	Hingis	1999
Canada - Indian Wells (Hard)	S Williams	2001
Canada - Zurich (Hard)	Henin	2003
Indian Wells - Miami (Hard)	Clijsters	2005
Indian Wells - San Diego (Hard)	Sharapova	2006
San Diego - Moscow (Hard)	Pierce	2005
Tokyo - Miami (Hard)	Graf	1994
Tokyo - Miami (Hard)	Hingis	1997
Tokyo - Zurich (Hard)	Davenport	1998, 2001
Zurich - Miami (Hard)	V Williams	1999

Charleston - Berlin (Clay)	Henin	2003, 2005
Charleston - Berlin (Clay)	Petrova	2006
Berlin — Rome (Clay)	Seles	1990
Berlin — Rome (Clay)	Mauresmo	2004
Hilton Head — Rome (Clay)	Sabatini	1992
Hilton Head - Rome (Clay)	Martinez	1994, 1995
Hilton Head — Berlin (Clay)	Graf	1993
Hilton Head - Berlin (Clay)	Hingis	1999

Winners of 6 series tournaments on hard:

Hingis (Tokyo 96, Miami 97, Indian Wells 98, Canada 99, Zurich 00, Moscow 00).

Winners of 5 series tournaments on hard:

Sharapova (Tokyo 05, Indian Wells 06, San Diego 06, Zurich 06, Doha 08).

Winners of 3 series tournaments on clay:

Martinez (Rome 93, Hilton Head 94, Berlin 98).
Hingis (Hilton Head 97, Rome 98, Berlin 99).

Winners of the series tournaments on three surfaces:

Navratilova (Chicago 90, Hilton Head 90, Tokyo 93).

A number of players hold records for winning the tournaments multiple times, while other records are achieved for successive tournament wins, mini-combination victories amongst others.

Conchita Martínez won the Italian Open four straight times, from 1993 to 1996, and reached the final in 1997.
Martina Hingis has won all the different Tier I tournaments except for the San Diego event, which became a Tier I event in 2004, during her three-year withdrawal from the sport which ended in late 2005.

References

^ Tandon, Kamakashi. "Ten notable features of the Roadmap". 29 October 2008. ESPN. Retrieved 20 May 2014.
^ Barrett, John (1990). World of Tennis 1990. London: Collins Willow. p. 163. ISBN 0002183552.
^ "The week of May 17 at a glance". 18 May 1999. Sports Illustrated. Retrieved 20 May 2014.
^ "Hantuchova wins second tour title". 18 March 2007. BBC Sport. Retrieved 20 May 2014.

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