The WTA Tier I tournaments 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. 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

TournamentAlso known asCity(s)CountryCourt surfaceTier I fromYears
Miami OpenSony Ericsson OpenMiamiUnited StatesHard1990–200819
German OpenQatar Total German OpenBerlinGermany GermanyRed Clay1990–200819
Canadian OpenRogers CupMontreal/Toronto (rotates each year)Canada CanadaHard1990–200819
Family Circle CupFamily Circle CupHilton Head and CharlestonUnited States United StatesGreen Clay1990–200819
Italian OpenInternazionali BNL d'ItaliaRomeItaly ItalyRed Clay1990–200819
Pan Pacific OpenToray Pan Pacific OpenYokohama and TokyoJapan JapanHard1993–200816
Zurich OpenZurich OpenZürichSwitzerland SwitzerlandHard (i)1993–200715
Indian Wells OpenPacific Life OpenIndian WellsUnited States United StatesHard1996–200813
Kremlin CupKremlin CupMoscowRussia RussiaCarpet (i)1997–200812
Southern California OpenAcura ClassicSan DiegoUnited States United StatesHard2004–20074
Advanta Championships PhiladelphiaAdvanta Championships PhiladelphiaPhiladelphiaUnited States United StatesCarpet (i)1993–19953
Virginia Slims of FloridaVirginia Slims of FloridaBoca RatonUnited States United StatesHard1991–19922
Ameritech CupAmeritech Cup ChicagoChicagoUnited States United StatesCarpet (i)19901
Qatar OpenQatar Total OpenDohaQatar QatarHard20081

Singles results

1988

TournamentWinnerRunner-upScore
Key BiscayneWest Germany Steffi GrafUnited States Chris Evert6–4, 6–4
BerlinWest Germany Steffi GrafCzechoslovakia Helena Suková6–3, 6–2

1989

TournamentWinnerRunner-upScore
Key BiscayneArgentina Gabriela SabatiniUnited States Chris Evert6–1, 4–6, 6–2
BerlinWest Germany Steffi GrafArgentina Gabriela Sabatini6–3, 6–1

1990

TournamentWinnerRunner-upScore
ChicagoUnited States Martina NavratilovaSwitzerland Manuela Maleeva-Fragniere6–3, 6–2
MiamiSocialist Federal Republic of Yugoslavia Monica SelesAustria Judith Wiesner6–1, 6–2
Hilton HeadUnited States Martina NavratilovaUnited States Jennifer Capriati6–2, 6–4
RomeSocialist Federal Republic of Yugoslavia Monica SelesUnited States Martina Navratilova6–1, 6–1
BerlinSocialist Federal Republic of Yugoslavia Monica SelesWest Germany Steffi Graf6–4, 6–3
MontrealGermany Steffi GrafBulgaria Katerina Maleeva6–1, 6–7(6–8), 6–3

1991

TournamentWinnerRunner-upScore
Boca RatonArgentina Gabriela SabatiniGermany Steffi Graf6–4, 7–6(8–6)
MiamiSocialist Federal Republic of Yugoslavia Monica SelesArgentina Gabriela Sabatini6–3, 7–5
Hilton HeadArgentina Gabriela SabatiniSoviet Union Leila Meskhi6–1, 6–1
RomeArgentina Gabriela SabatiniSocialist Federal Republic of Yugoslavia Monica Seles6–3, 6–2
BerlinGermany Steffi GrafSpain Arantxa Sánchez Vicario6–3, 4–6, 7–6(8–6)
TorontoUnited States Jennifer CapriatiBulgaria Katerina Maleeva6–2, 6–3

1992

TournamentWinnerRunner-upScore
Boca RatonGermany Steffi GrafSpain Conchita Martínez3–6, 6–2, 6–0
MiamiSpain Arantxa Sánchez VicarioArgentina Gabriela Sabatini6–1, 6–4
Hilton HeadArgentina Gabriela SabatiniSpain Conchita Martínez6–1, 6–4
RomeArgentina Gabriela SabatiniFederal Republic of Yugoslavia Monica Seles7–5, 6–4
BerlinGermany Steffi GrafSpain Arantxa Sánchez Vicario4–6, 7–5, 6–2
MontrealSpain Arantxa Sánchez VicarioFederal Republic of Yugoslavia Monica Seles6–3, 4–6, 6–4

1993

TournamentWinnerRunner-upScore
YokohamaUnited States Martina NavratilovaLatvia Larisa Savchenko-Neiland6–2, 6–2
MiamiSpain Arantxa Sánchez VicarioGermany Steffi Graf6–4, 3–6, 6–3
Hilton HeadGermany Steffi GrafSpain Arantxa Sánchez Vicario7–6(10–8), 6–1
RomeSpain Conchita MartínezArgentina Gabriela Sabatini7–5, 6–1
BerlinGermany Steffi GrafArgentina Gabriela Sabatini7–6(7–3), 2–6, 6–4
TorontoGermany Steffi GrafUnited States Jennifer Capriati6–1, 0–6, 6–3
ZurichSwitzerland Manuela Maleeva-FragniereUnited States Martina Navratilova6–3, 7–6(7–1)
PhiladelphiaSpain Conchita MartínezGermany Steffi Graf6–3, 6–3

1994

TournamentWinnerRunner-upScore
TokyoGermany Steffi GrafUnited States Martina Navratilova6–2, 6–4
MiamiGermany Steffi GrafBelarus Natasha Zvereva4–6, 6–1, 6–2
Hilton HeadSpain Conchita MartínezBelarus Natasha Zvereva6–4, 6–0
RomeSpain Conchita MartínezUnited States Martina Navratilova7–6(7–5), 6–4
BerlinGermany Steffi GrafNetherlands Brenda Schultz7–6(8–6), 6–4
MontrealSpain Arantxa Sánchez VicarioGermany Steffi Graf7–5, 1–6, 7–6(7–4)
ZurichBulgaria Magdalena MaleevaBelarus Natasha Zvereva7–5, 3–6, 6–4
PhiladelphiaGermany Anke HuberFrance Mary Pierce6–0, 6–7(4–7), 7–5

1995

TournamentWinnerRunner-upScore
TokyoJapan Kimiko DateUnited States Lindsay Davenport6–1, 6–2
MiamiGermany Steffi GrafJapan Kimiko Date6–1, 6–4
Hilton HeadSpain Conchita MartínezBulgaria Magdalena Maleeva6–1, 6–1
RomeSpain Conchita MartínezSpain Arantxa Sánchez Vicario6–3, 6–1
BerlinSpain Arantxa Sánchez VicarioBulgaria Magdalena Maleeva6–4, 6–1
TorontoUnited States Monica SelesSouth Africa Amanda Coetzer6–0, 6–1
ZurichCroatia Iva MajoliFrance Mary Pierce6–4, 6–4
PhiladelphiaGermany Steffi GrafUnited States Lori McNeil6–1, 4–6, 6–3

1996

TournamentWinnerRunner-upScore
TokyoCroatia Iva MajoliSpain Arantxa Sánchez Vicario6–4, 6–1
Indian WellsGermany Steffi GrafSpain Conchita Martínez7–6(7–5), 7–6(7–5)
MiamiGermany Steffi GrafUnited States Chanda Rubin6–1, 6–3
Hilton HeadSpain Arantxa Sánchez VicarioAustria Barbara Paulus6–2, 2–6, 6–2
RomeSpain Conchita MartínezSwitzerland Martina Hingis6–2, 6–3
BerlinGermany Steffi GrafSlovakia Karina Habšudová4–6, 6–2, 7–5
MontrealUnited States Monica SelesSpain Arantxa Sánchez Vicario6–1, 7–6(7–2)
ZurichCzech Republic Jana NovotnáSwitzerland Martina Hingis6–2, 6–2

1997

TournamentWinnerRunner-upScore
TokyoSwitzerland Martina HingisGermany Steffi GrafWalkover
Indian WellsUnited States Lindsay DavenportRomania Irina Spîrlea6–2, 6–1
MiamiSwitzerland Martina HingisUnited States Monica Seles6–2, 6–1
Hilton HeadSwitzerland Martina HingisUnited States Monica Seles3–6, 6–3, 7–6(7–5)
RomeFrance Mary PierceSpain Conchita Martínez6–4, 6–0
BerlinUnited States Mary Joe FernándezFrance Mary Pierce6–4, 6–2
TorontoUnited States Monica SelesGermany Anke Huber6–2, 6–4
ZurichUnited States Lindsay DavenportFrance Nathalie Tauziat7–6(7–3), 7–5
MoscowCzech Republic Jana NovotnáJapan Ai Sugiyama6–3, 6–4

1998

TournamentWinnerRunner-upScore
TokyoUnited States Lindsay DavenportSwitzerland Martina Hingis6–3, 6–3
Indian WellsSwitzerland Martina HingisUnited States Lindsay Davenport6–3, 6–4
MiamiUnited States Venus WilliamsRussia Anna Kournikova2–6, 6–4, 6–1
Hilton HeadSouth Africa Amanda CoetzerRomania Irina Spîrlea6–3, 6–4
RomeSwitzerland Martina HingisUnited States Venus Williams6–3, 2–6, 6–3
BerlinSpain Conchita MartínezFrance Amélie Mauresmo6–4, 6–4
MontrealUnited States Monica SelesSpain Arantxa Sánchez Vicario6–3, 6–2
ZurichUnited States Lindsay DavenportUnited States Venus Williams6–3, 6–4
MoscowFrance Mary PierceUnited States Monica Seles7–6(7–2), 6–3

1999

TournamentWinnerRunner-upScore
TokyoSwitzerland Martina HingisSouth Africa Amanda Coetzer6–2, 6–1
Indian WellsUnited States Serena WilliamsGermany Steffi Graf6–3, 3–6, 7–5
MiamiUnited States Venus WilliamsUnited States Serena Williams6–1, 4–6, 6–4
Hilton HeadSwitzerland Martina HingisRussia Anna Kournikova6–4, 6–3
RomeUnited States Venus WilliamsFrance Mary Pierce6–4, 6–2
BerlinSwitzerland Martina HingisFrance Julie Halard-Decugis6–0, 6–1
TorontoSwitzerland Martina HingisUnited States Monica Seles6–4, 6–4
ZurichUnited States Venus WilliamsSwitzerland Martina Hingis6–3, 6–4
MoscowFrance Nathalie TauziatAustria Barbara Schett2–6, 6–4, 6–1

2000

TournamentWinnerRunner-upScore
TokyoSwitzerland Martina HingisFrance Sandrine Testud6–3, 7–5
Indian WellsUnited States Lindsay DavenportSwitzerland Martina Hingis4–6, 6–4, 6–0
MiamiSwitzerland Martina HingisUnited States Lindsay Davenport6–3, 6–2
Hilton HeadFrance Mary PierceSpain Arantxa Sánchez-Vicario6–1, 6–0
BerlinSpain Conchita MartínezSouth Africa Amanda Coetzer6–1, 6–2
RomeUnited States Monica SelesFrance Amélie Mauresmo6–2, 7–6(7–4)
MontrealSwitzerland Martina HingisUnited States Serena Williams0–6, 6–3, 3–0 retired
ZurichSwitzerland Martina HingisUnited States Lindsay Davenport6–2, 4–6, 7–5
MoscowSwitzerland Martina HingisRussia Anna Kournikova6–3, 6–1

2001

TournamentWinnerRunner-upScore
TokyoUnited States Lindsay DavenportSwitzerland Martina Hingis6–7(4–7), 6–4, 6–2
Indian WellsUnited States Serena WilliamsBelgium Kim Clijsters4–6, 6–4, 6–2
MiamiUnited States Venus WilliamsUnited States Jennifer Capriati4–6, 6–1, 7–6(7–4)
CharlestonUnited States Jennifer CapriatiSwitzerland Martina Hingis6–0, 4–6, 6–4
BerlinFrance Amélie MauresmoUnited States Jennifer Capriati6–4, 2–6, 6–3
RomeSerbia and Montenegro Jelena DokićFrance Amélie Mauresmo7–6(7–3), 6–1
TorontoUnited States Serena WilliamsUnited States Jennifer Capriati6–1, 6–7(7–9), 6–3
MoscowSerbia and Montenegro Jelena DokićRussia Elena Dementieva6–3, 6–3
ZurichUnited States Lindsay DavenportSerbia and Montenegro Jelena Dokić6–3, 6–1

2002

TournamentWinnerRunner-upScore
TokyoSwitzerland Martina HingisUnited States Monica Seles7–6(8–6), 4–6, 6–3
Indian WellsSlovakia Daniela HantuchováSwitzerland Martina Hingis6–3, 6–4
MiamiUnited States Serena WilliamsUnited States Jennifer Capriati7–5, 7–6
CharlestonCroatia Iva MajoliSwitzerland Patty Schnyder6–3, 6–4
BerlinBelgium Justine HeninUnited States Serena Williams6–2, 1–6, 7–6(7–5)
RomeUnited States Serena WilliamsBelgium Justine Henin7–6, 6–4
MontrealFrance Amélie MauresmoUnited States Jennifer Capriati6–4, 6–1
MoscowBulgaria Magdalena MaleevaUnited States Lindsay Davenport5–7, 6–3, 7–6(7–4)
ZurichSwitzerland Patty SchnyderUnited States Lindsay Davenport6–7(5–7), 7–6(10–8), 6–3

2003

TournamentWinnerRunner-upScore
TokyoUnited States Lindsay DavenportUnited States Monica Seles6–7(6–8), 6–1, 6–2
Indian WellsBelgium Kim ClijstersUnited States Lindsay Davenport6–4, 7–5
MiamiUnited States Serena WilliamsUnited States Jennifer Capriati4–6, 6–4, 6–1
CharlestonBelgium Justine HeninUnited States Serena Williams7–6(7–5), 6–4
BerlinBelgium Justine HeninBelgium Kim Clijsters6–4, 4–6, 7–5
RomeBelgium Kim ClijstersFrance Amélie Mauresmo3–6, 7–6(7–3), 6–0
TorontoBelgium Justine HeninRussia Lina Krasnoroutskaya6–1, 6–0
MoscowRussia Anastasia MyskinaFrance Amélie Mauresmo6–2, 6–4
ZurichBelgium Justine HeninSerbia and Montenegro Jelena Dokić6–0, 6–4

2004

TournamentWinnerRunner-upScore
TokyoUnited States Lindsay DavenportBulgaria Magdalena Maleeva6–4, 6–1
Indian WellsBelgium Justine HeninUnited States Lindsay Davenport6–1, 6–4
MiamiUnited States Serena WilliamsRussia Elena Dementieva6–1, 6–1
CharlestonUnited States Venus WilliamsSpain Conchita Martínez2–6, 6–2, 6–1
BerlinFrance Amélie MauresmoUnited States Venus WilliamsWalkover
RomeFrance Amélie MauresmoUnited States Jennifer Capriati3–6, 6–3, 7–6(8–6)
San DiegoUnited States Lindsay DavenportRussia Anastasia Myskina6–1, 6–1
MontrealFrance Amélie MauresmoRussia Elena Likhovtseva6–1, 6–0
MoscowRussia Anastasia MyskinaRussia Elena Dementieva7–5, 6–0
ZurichAustralia Alicia MolikRussia Maria Sharapova4–6, 6–2, 6–3

2005

TournamentWinnerRunner-upScore
TokyoRussia Maria SharapovaUnited States Lindsay Davenport6–1, 3–6, 7–6(7–5)
Indian WellsBelgium Kim ClijstersUnited States Lindsay Davenport6–4, 4–6, 6–2
MiamiBelgium Kim ClijstersRussia Maria Sharapova7–5, 6–3
CharlestonBelgium Justine HeninRussia Elena Dementieva7–5, 6–4
BerlinBelgium Justine HeninRussia Nadia Petrova6–3, 4–6, 6–3
RomeFrance Amélie MauresmoSwitzerland Patty Schnyder2–6, 6–3, 6–4
San DiegoFrance Mary PierceJapan Ai Sugiyama6–3, 6–0
TorontoBelgium Kim ClijstersBelgium Justine Henin7–5, 6–1
MoscowFrance Mary PierceItaly Francesca Schiavone6–4, 6–3
ZurichUnited States Lindsay DavenportSwitzerland Patty Schnyder7–6, 6–3

2006

TournamentWinnerRunner-upScore
TokyoRussia Elena DementievaSwitzerland Martina Hingis6–2, 6–0
Indian WellsRussia Maria SharapovaRussia Elena Dementieva6–1, 6–2
MiamiRussia Svetlana KuznetsovaRussia Maria Sharapova6–4, 6–3
CharlestonRussia Nadia PetrovaSwitzerland Patty Schnyder6–3, 4–6, 6–1
BerlinRussia Nadia PetrovaBelgium Justine Henin4–6, 6–4, 7–5
RomeSwitzerland Martina HingisRussia Dinara Safina6–2, 7–5
San DiegoRussia Maria SharapovaBelgium Kim Clijsters7–5, 7–5
MontrealSerbia Ana IvanovicSwitzerland Martina Hingis6–2, 6–3
MoscowRussia Anna ChakvetadzeRussia Nadia Petrova6–4, 6–4
ZurichRussia Maria SharapovaSlovakia Daniela Hantuchová6–1, 4–6, 6–3

2007

TournamentWinnerRunner-upScore
TokyoSwitzerland Martina HingisSerbia Ana Ivanovic6–4, 6–2
Indian WellsSlovakia Daniela HantuchováRussia Svetlana Kuznetsova6–3, 6–4
MiamiUnited States Serena WilliamsBelgium Justine Henin0–6, 7–5, 6–3
CharlestonSerbia Jelena JankovićRussia Dinara Safina6–2, 6–2
BerlinSerbia Ana IvanovicRussia Svetlana Kuznetsova3–6, 6–4, 7–6(7–4)
RomeSerbia Jelena JankovićRussia Svetlana Kuznetsova7–5, 6–1
San DiegoRussia Maria SharapovaSwitzerland Patty Schnyder6–2, 3–6, 6–0
TorontoBelgium Justine HeninSerbia Jelena Janković7–6(7–3), 7–5
MoscowRussia Elena DementievaUnited States Serena Williams5–7, 6–1, 6–1
ZurichBelgium Justine HeninFrance Tatiana Golovin6–4, 6–4

2008

TournamentWinnerRunner-upScore
DohaRussia Maria SharapovaRussia Vera Zvonareva6–1, 2–6, 6–0
Indian WellsSerbia Ana IvanovicRussia Svetlana Kuznetsova6–4, 6–3
MiamiUnited States Serena WilliamsSerbia Jelena Janković6–1, 5–7, 6–3
CharlestonUnited States Serena WilliamsRussia Vera Zvonareva6–4, 3–6, 6–3
BerlinRussia Dinara SafinaRussia Elena Dementieva3–6, 6–2, 6–2
RomeSerbia Jelena JankovićFrance Alizé Cornet6–2, 6–2
MontrealRussia Dinara SafinaSlovakia Dominika Cibulková6–2, 6–1
TokyoRussia Dinara SafinaRussia Svetlana Kuznetsova6–1, 6–3
MoscowSerbia Jelena JankovićRussia Vera Zvonareva6–2, 6–4

Singles champions

Per year

YearDohaTokyoIndian WellsMiamiCharlestonBerlinRomeSan DiegoCanadaMoscowZurichChicagoBoca RatonPhiladelphia
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)---
2008Sharapova (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)----
YearDohaTokyoIndian WellsMiamiCharlestonBerlinRomeSan DiegoCanadaMoscowZurichChicagoBoca RatonPhiladelphia

Per player

RankPlayerDOHINDMIACHABERROMCANTOKMOSSANZURCHIBOCPHITotal
1Switzerland Martina Hingis-12212251-1---17
2Germany Steffi Graf-1315-21----1115
3United States Lindsay Davenport-2-----4-14---11
4Belgium Justine Henin-1-23-2---2---10
United States Serena Williams-251-11-------
6Spain Conchita Martínez---224-------19
Socialist Federal Republic of Yugoslavia / United States Monica Seles--2-124-------
8France Amélie Mauresmo----222-------6
Spain Arantxa Sánchez Vicario--211-2-------
Russia Maria Sharapova11-----1-21---
United States Venus Williams--31-1----1---
12Argentina Gabriela Sabatini---2-2------1-5
Belgium Kim Clijsters-21--11-------
France Mary Pierce---1-1--21----
15Serbia Jelena Janković---1-2--1-----4
16Serbia Ana Ivanovic-1--1-1-------3
Croatia Iva Majoli---1---1--1---
United States Martina Navratilova---1---1---1--
Russia Dinara Safina----1-11------
20United States Jennifer Capriati---1--1-------2
Russia Elena Dementieva-------11-----
Serbia and Montenegro Jelena Dokić-----1--1-----
Slovakia Daniela Hantuchová-2------------
Bulgaria Magdalena Maleeva--------1-1---
Russia Anastasia Myskina--------2-----
Czech Republic Jana Novotná--------1-1---
Russia Nadia Petrova---11---------
28Russia Anna Chakvetadze--------1-----1
South Africa Amanda Coetzer---1----------
Japan Kimiko Date-------1------
United States Mary Joe Fernandez----1---------
Germany Anke Huber-------------1
Russia Svetlana Kuznetsova--1-----------
Bulgaria Manuela Maleeva-Fragnière----------1---
Australia Alicia Molik----------1---
Switzerland Patty Schnyder----------1---
France 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

Germany Steffi Graf, Berlin, 4 (1991—1994)

Spain Conchita Martinez, Rome, 4 (1993-1996)

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

Fastest to...

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

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

  • Triple titles:

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

  • Double titles:
Canada - Miami (Hard) Spain Sanchez Vicario 1992 Canada — Tokyo (Hard) Switzerland Hingis 1999 Canada - Indian Wells (Hard) United States S Williams 2001 Canada - Zurich (Hard) Belgium Henin 2003 Indian Wells - Miami (Hard) Belgium Clijsters 2005 Indian Wells - San Diego (Hard) Russia Sharapova 2006 San Diego - Moscow (Hard) France Pierce 2005 Tokyo - Miami (Hard) West Germany Graf 1994 Tokyo - Miami (Hard) Switzerland Hingis 1997 Tokyo - Zurich (Hard) United States Davenport 1998, 2001 Zurich - Miami (Hard) United States V Williams 1999Charleston - Berlin (Clay) Belgium Henin 2003, 2005 Charleston - Berlin (Clay) Russia Petrova 2006 Berlin — Rome (Clay) Socialist Federal Republic of Yugoslavia Seles 1990 Berlin — Rome (Clay) France Mauresmo 2004 Hilton Head — Rome (Clay) Argentina Sabatini 1992 Hilton Head - Rome (Clay) Spain Martinez 1994, 1995 Hilton Head — Berlin (Clay) West Germany Graf 1993 Hilton Head - Berlin (Clay) Switzerland Hingis 1999
Canada - Miami (Hard)Spain Sanchez Vicario1992
Canada — Tokyo (Hard)Switzerland Hingis1999
Canada - Indian Wells (Hard)United States S Williams2001
Canada - Zurich (Hard)Belgium Henin2003
Indian Wells - Miami (Hard)Belgium Clijsters2005
Indian Wells - San Diego (Hard)Russia Sharapova2006
San Diego - Moscow (Hard)France Pierce2005
Tokyo - Miami (Hard)West Germany Graf1994
Tokyo - Miami (Hard)Switzerland Hingis1997
Tokyo - Zurich (Hard)United States Davenport1998, 2001
Zurich - Miami (Hard)United States V Williams1999
Charleston - Berlin (Clay)Belgium Henin2003, 2005
Charleston - Berlin (Clay)Russia Petrova2006
Berlin — Rome (Clay)Socialist Federal Republic of Yugoslavia Seles1990
Berlin — Rome (Clay)France Mauresmo2004
Hilton Head — Rome (Clay)Argentina Sabatini1992
Hilton Head - Rome (Clay)Spain Martinez1994, 1995
Hilton Head — Berlin (Clay)West Germany Graf1993
Hilton Head - Berlin (Clay)Switzerland Hingis1999

Winners of 6 series tournaments on hard:

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

Winners of 5 series tournaments on hard:

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

Winners of 3 series tournaments on clay:

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

Winners of the series tournaments on three surfaces:

  • United States 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.