- WTA Tier I tournaments
-
WTA tournaments 1988–2008
- Tier I
- Tier II
- Tier III
- Tier IV and V
2009–- Premier Tournaments
- International Tournaments
OtherThe WTA Tier I tournaments were Women's Tennis Association tennis elite tournaments held from 1988 until 2008 season. Minimum prize money, from 2004 is $1,340,000. Two of the ten Tier I tournaments (Indian Wells and Miami) are played simultaneously with the ATP Tour Masters Series tournaments in those cities.
From 2009 WTA Tour, WTA changed tournament categories, so that majority of Tier I and Tier II tournaments from last seasons are in one category, WTA Premier Tournaments.
Contents
Events
Tournament Also currently known as City(s) Country Court surface Tier I from Years Miami Sony Ericsson Open Miami United States
Hard 1988–2008 21 Berlin Qatar Total German Open Berlin1 Germany1
Red Clay 1988–2008 21 Canada Rogers Cup presented by A. E. Montreal and Toronto Canada
Hard 1990–2008 19 Charleston Family Circle Cup Hilton Head and Charleston United States
Green Clay 1990–2008 19 Rome Telecom Italia Masters Rome Italy
Red Clay 1990–2008 19 Tokyo Toray Pan Pacific Open Yokohama and Tokyo Japan
Hard 1993–2008 16 Zürich Zürich Open Zürich Switzerland
Hard (I) 1993–2007 15 Indian Wells Pacific Life Open Indian Wells United States
Hard 1996–2008 13 Moscow Kremlin Cup Moscow Russia
Supreme (I) 1997–2008 12 San Diego Acura Classic San Diego United States
Hard 2004–2007 4 Philadelphia Advanta Championships Philadelphia Philadelphia United States
Carpet (I) 1993–1995 3 Boca Raton VS of Florida Boca Raton United States
Hard 1991–1992 2 Chicago Ameritech Cup Chicago Chicago United States
Carpet (I) 1990 1 Doha Qatar Total Open Doha Qatar
Hard 2008 1 - 1 - Until German reunification, in 1990, tournament was held in West Berlin, in West Germany.
Results
1988
Tournament Winner Runner-up Score Miami Steffi Graf
Chris Evert
6-4, 6-4 Berlin Steffi Graf
Helena Suková
6-3, 6-2 1989
Tournament Winner Runner-up Score Miami Gabriela Sabatini
Chris Evert
6-1, 4-6, 6-2 Berlin Steffi Graf
Gabriela Sabatini
6-3, 6-1 1990
Tournament Winner Runner-up Score Chicago Martina Navrátilová
Manuela Maleeva-Fragniere
6-3, 6-2 Miami Monica Seles
Judith Wiesner
6-1, 6-2 Hilton Head Martina Navrátilová
Jennifer Capriati
6-2, 6-4 Rome Monica Seles
Martina Navrátilová
6-1, 6-1 Berlin Monica Seles
Steffi Graf
6-4, 6-3 Montreal Steffi Graf
Katerina Maleeva
6-1, 6-7(6), 6-3 1991
Tournament Winner Runner-up Score Boca Raton Gabriela Sabatini
Steffi Graf
6-4, 7-6(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(6) Toronto Jennifer Capriati
Katerina Maleeva
6-2, 6-3 1992
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
Tournament Winner Runner-up Score Yokohama * Martina Navrátilová
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(8), 6-1 Rome Conchita Martínez
Gabriela Sabatini
7-5, 6-1 Berlin Steffi Graf
Gabriela Sabatini
7-6(3), 2-6, 6-4 Toronto Steffi Graf
Jennifer Capriati
6-1, 0-6, 6-3 Zurich Manuela Maleeva-Fragniere
Martina Navrátilová
6-3, 7-6(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
Tournament Winner Runner-up Score Tokyo Steffi Graf
Martina Navrátilová
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 Navrátilová
7-6(5), 6-4 Berlin Steffi Graf
Brenda Schultz
7-6(6), 6-4 Montreal Arantxa Sánchez Vicario
Steffi Graf
7-5, 1-6, 7-6(4) Zurich Magdalena Maleeva
Natasha Zvereva
7-5, 3-6, 6-4 Philadelphia Anke Huber
Mary Pierce
6-0, 6-7(4), 7-5 1995
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
Tournament Winner Runner-up Score Tokyo Iva Majoli
Arantxa Sánchez Vicario
6-4, 6-1 Indian Wells Steffi Graf
Conchita Martínez
7-6(5), 7-6(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(2) Zurich Jana Novotná
Martina Hingis
6-2, 6-2 1997
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(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(3), 7-5 Moscow Jana Novotná
Ai Sugiyama
6-3, 6-4 1998
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(2), 6-3 1999
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
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(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
Tournament Winner Runner-up Score Tokyo Lindsay Davenport
Martina Hingis
6-7(4), 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(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(3), 6-1 Toronto Serena Williams
Jennifer Capriati
6-1, 6-7(7), 6-3 Moscow Jelena Dokić
Elena Dementieva
6-3, 6-3 Zurich Lindsay Davenport
Jelena Dokić
6-3, 6-1 2002
Tournament Winner Runner-up Score Tokyo Martina Hingis
Monica Seles
7-6(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(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(4) Zurich Patty Schnyder
Lindsay Davenport
6-7(5), 7-6(8), 6-3 2003
Tournament Winner Runner-up Score Tokyo Lindsay Davenport
Monica Seles
6-7(6), 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(5), 6-4 Berlin Justine Henin
Kim Clijsters
6-4, 4-6, 7-5 Rome Kim Clijsters
Amélie Mauresmo
3-6, 7-6(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
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(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
Tournament Winner Runner-up Score Tokyo Maria Sharapova
Lindsay Davenport
6-1, 3-6, 7-6(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
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 Ivanović
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
Tournament Winner Runner-up Score Tokyo Martina Hingis
Ana Ivanović
6-4, 6-2 Indian Wells Daniela Hantuchová
Svetlana Kuznetsova
6-3, 6-4 Miami Serena Williams
Justine Henin
0-6, 7-5, 6-3 Charleston Jelena Janković
Dinara Safina
6-2, 6-2 Berlin Ana Ivanović
Svetlana Kuznetsova
3-6, 6-4, 7-6(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(3), 7-5 Moscow Elena Dementieva
Serena Williams
5-7, 6-1, 6-1 Zurich Justine Henin
Tatiana Golovin
6-4, 6-4 2008
Tournament Winner Runner-up Score Doha Maria Sharapova
Vera Zvonareva
6-1, 2-6, 6-0 Indian Wells Ana Ivanović
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 Winners
Year
Doha
Tokyo
Indian Wells
Miami
Charleston
Berlin
Rome
San Diego
Canada
Moscow
Zurich
Chicago
Boca Raton
Philadelphia88 - - - Graf
(1/18)- Graf
(2/18)- - - - - - - - 89 - - - Sabatini
(1/6)- Graf
(3/18)- - - - - - - - 90 - - - Seles
(1/9)Navratilova
(1/3)Seles
(2/9)Seles
(3/9)- Graf
(4/18)- - Navratilova
(2/3)- - 91 - - - Seles
(4/9)Sabatini
(2/6)Graf
(5/18)Sabatini
(3/6)- Capriati
(1/2)- - - Sabatini
(4/6)- 92 - - - Sánchez
(1/6)Sabatini
(5/6)Graf
(6/18)Sabatini
(6/6)- Sánchez
(2/6)- - - Graf
(7/18)- 93 - Navratilova
(3/3)- Sánchez
(3/6)Graf
(8/18)Graf
(9/18)Martínez
(1/9)- Graf
(10/18)- Man.Maleeva
(1/1)- - Martínez
(2/9)94 - Graf
(11/18)- Graf
(12/18)Martínez
(3/9)Graf
(13/18)Martínez
(4/9)- Sánchez
(4/6)- Mag.Maleeva
(1/2)- - Huber
(1/1)95 - Date
(1/1)- Graf
(14/18)Martínez
(5/9)Sánchez
(5/6)Martínez
(6/9)- Seles
(5/9)- Majoli
(1/3)- - Graf
(15/18)96 - Majoli
(2/3)Graf
(16/18)Graf
(17/18)Sánchez
(6/6)Graf
(18/18)Martínez
(7/9)- Seles
(6/9)- Novotná
(1/2)- - - 97 - 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)- - - 98 - 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)- - - 99 - 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)- - - 00 - 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)- - - 01 - 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)- - - 02 - 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)- - - 03 - 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)- - - 04 - 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)- - - 05 - 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)- - - 06 - Dementieva
(1/2)Sharapova
(2/6)Kuznetsova
(1/1)Petrova
(1/2)Petrova
(2/2)Hingis
(16/17)Sharapova
(3/6)Ivanović
(1/3)Chakvetadze
(1/1)Sharapova
(4/6)- - - 07 - Hingis
(17/17)Hantuchová
(2/2)S.Williams
(8/10)Janković
(1/4)Ivanović
(2/3)Janković
(2/4)Sharapova
(5/6)Henin
(9/10)Dementieva
(2/2)Henin
(10/10)- - - 08 Sharapova
(6/6)Safina
(3/3)Ivanović
(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
PhiladelphiaSingles Titles Matrix
Rank Player DOH IND MIA CHA BER ROM CAN TOK MOS SAN ZUR CHI BOC PHI Total 1 Steffi Graf
- 1 4 1 7 - 2 1 - - - - 1 1 18 2 Martina Hingis
- 1 2 2 1 2 2 5 1 - 1 - - - 17 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 8= Gabriela Sabatini
- - 1 2 - 2 - - - - - - 1 - 6 8= Arantxa Sánchez Vicario
- - 2 1 1 - 2 - - - - - - - 6 8= Maria Sharapova
1 1 - - - - - 1 - 2 1 - - - 6 8= Venus Williams
- - 3 1 - 1 - - - - 1 - - - 6 13= Kim Clijsters
- 2 1 - - 1 1 - - - - - - - 5 13= Mary Pierce
- - - 1 - 1 - - 2 1 - - - - 5 15 Jelena Janković
- - - 1 - 2 - - 1 - - - - - 4 16= Ana Ivanović
- 1 - - 1 - 1 - - - - - - - 3 16= Iva Majoli
- - - 1 - - - 1 - - 1 - - - 3 16= Martina Navratilova
- - - 1 - - - 1 - - - 1 - - 3 16= Dinara Safina
- - - - 1 - 1 1 - - - - - - 3 20= Jennifer Capriati
- - - 1 - - 1 - - - - - - - 2 20= Elena Dementieva
- - - - - - - 1 1 - - - - - 2 20= Jelena Dokić
- - - - - 1 - - 1 - - - - - 2 20= Daniela Hantuchová
- 2 - - - - - - - - - - - - 2 20= Magdalena Maleeva
- - - - - - - - 1 - 1 - - - 2 20= Anastasia Myskina
- - - - - - - - 2 - - - - - 2 20= Jana Novotná
- - - - - - - - 1 - 1 - - - 2 20= Nadia Petrova
- - - 1 1 - - - - - - - - - 2 28= Anna Chakvetadze
- - - - - - - - 1 - - - - - 1 28= Amanda Coetzer
- - - 1 - - - - - - - - - - 1 28= Kimiko Date
- - - - - - - 1 - - - - - - 1 28= Mary Joe Fernandez
- - - - 1 - - - - - - - - - 1 28= Anke Huber
- - - - - - - - - - - - - 1 1 28= Svetlana Kuznetsova
- - 1 - - - - - - - - - - - 1 28= Manuela Maleeva-Fragnière
- - - - - - - - - - 1 - - - 1 28= Alicia Molik
- - - - - - - - - - 1 - - - 1 28= Patty Schnyder
- - - - - - - - - - 1 - - - 1 28= Nathalie Tauziat
- - - - - - - - 1 - - - - - 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.
Trivia
- Monica Seles holds the record for the most consecutive wins at a Tier One event. From 1995 to 1999, she reached the finals of the Canadian Open, winning on the first four occasions.
- Conchita Martínez won the Italian Open four straight times, from 1993 to 1996, and reached the final in 1997.
- Martina Hingis of Switzerland 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.
WTA Tier I Series WTA Tier I Tournaments (1988–2008) 1988–2008 Berlin · 1988–2008 Miami · 1990–2008 Charleston · 1990 Chicago · 1990–2008 Montréal/Toronto · 1990–2008 Rome · 1991–1992 Boca Raton
1993–1995 Philadelphia · 1993–2008 Tokyo · 1993–2007 Zürich · 1997–2008 Indian Wells · 1997–2008 Moscow · 2004–2007 San Diego · 2008 DohaCategories:- WTA Tour
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