| Women's pro tennis |
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Defunct tiers and events
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TheWTA Tier III tournaments wereWomen's Tennis Associationtennis third-level tournaments held from 1990 until the end of the 2008 season. The line-up of events varied over the years due to tournaments being promoted, demoted or cancelled.[1]
From 2009, most Tier III and Tier IV tournaments from previous seasons becameWTA International Tournaments owing to a category change.[2] The main reason for the changes was to ease the pressure on players in terms of the number of tournaments that they were required to play.[3]
| Tournament | Complete sponsored name | City(s) | CountryA | Court surface | Tier III from | Years | Current/ Defunct |
|---|---|---|---|---|---|---|---|
| VS of Houston | Virginia Slims of Houston | Houston |  United States | Clay | 1990 | 1 | |
| Tampa | Eckerd Open | Tampa, Florida | United States | Clay | 1990 | 1 | |
| Newport | Virginia Slims of Newport | Newport | United States | Grass | 1990 | 1 | |
| San Diego | Toshiba Classic | San Diego | United States | Hard | 1990–91 | 2 | |
| San Antonio | New Haven Open at Yale | San Antonio | United States | Hard | 1990–92 | 3 | |
| Sydney | New South Wales Open | Sydney |  Australia | Hard | 1990–92 | 3 | Current |
| Leipzig | Sparkassen Cup | Leipzig |  Germany | Carpet (i) | 1990–92 | 3 | |
| Barcelona | Barcelona Ladies Open | Barcelona |  Spain | Clay | 1991–92 | 2 | Current |
| Lucerne | European Open | Lucerne |  Switzerland | Clay | 1992–94 | 3 | |
| Osaka | Asian Open | Osaka |  Japan | Carpet (i) | 1992–94 | 3 | |
| Budapest | GDF Suez Grand Prix | Budapest |  Hungary | Carpet (i)(1993) Clay(2007–08) | 1993 2007–08 | 3 | Current |
| Kitzbühel | WTA Austrian Open | Kitzbühel |  Austria | Clay | 1993 | 1 | |
| Schenectady | OTB International Open | Schenectady | United States | Hard | 1993–94 | 2 | |
| Brisbane | Danone Hardcourt Championships | Brisbane | Australia | Hard | 1993–94 | 2 | |
| Linz | Generali Ladies Linz | Linz | Austria | Carpet (i) | 1993–97 | 5 | Current |
| Oklahoma City Memphis | Cellular South Cup | Oklahoma City(1993–2001) Memphis(2002–08) | United States | Hard (i) | 1993–2008 | 16 | |
| Strasbourg | Internationaux de Strasbourg | Strasbourg |  France | Clay | 1993–2008 | 16 | Current |
| Tokyo Outdoor | Rakuten Japan Open Tennis Championships | Tokyo | Japan | Hard | 1993–2008 | 16 | |
| Birmingham | Aegon Classic | Birmingham |  United Kingdom | Grass | 1993–2008 | 16 | Current |
| Quebec City | Challenge Bell | Quebec City |  Canada | Carpet (i) | 1993–2008 | 16 | Current |
| Moscow | Kremlin Cup | Moscow |  Russia | Carpet (i) | 1994–96 | 3 | Current |
| San Juan | Puerto Rico Open | San Juan |  Puerto Rico, USA | Hard | 1995 | 1 | |
| Zagreb Bol | Croatian Bol Ladies Open | Zagreb(1995) Bol(2000–03) |  Croatia | Clay | 1995 2000–2003 | 5 | |
| Jakarta | Danamon Open | Jakarta |  Indonesia | Hard | 1995–96 | 2 | |
| Warsaw | Warsaw Open | Warsaw |  Poland | Clay | 1995–98 2002–10 | 5 | |
| Luxembourg City | BGL Luxembourg Open | Luxembourg City |  Luxembourg | Carpet (i)(1996–2000) Hard (i)(2001–04, 2008) | 1996–2004 2008 | 10 | Current |
| 's-Hertogenbosch | Ordina Open | 's-Hertogenbosch |  Netherlands | Grass | 1996–2008 | 13 | Current |
| Madrid | Madrid Open | Madrid | Spain | Clay | 1997–2003 | 7 | |
| Gold Coast | Brisbane International | Gold Coast | Australia | Hard | 1997–2008 | 12 | |
| Prague | ECM Prague Open | Prague |  Czech Republic | Clay | 1998 | 1 | |
| VS of Boston | Virginia Slims of Boston | Boston, Massachusetts | United States | Hard | 1998 | 1 | |
| Cairo | Dreamland Egypt Classic | Cairo |  Egypt | Clay | 1999 | 1 | |
| Sopot | Orange Warsaw Open | Sopot | Poland | Clay | 1999–2004 | 6 | |
| Kuala Lumpur Bali | Wismilak International(1999–2006) Commonwealth Bank Tennis Classic(2007–08) | Kuala Lumpur(1999–2000) Bali(2001–08) |  Malaysia Indonesia | Hard | 1999–2008 | 10 | |
| Vienna | WTA Austrian Open | Klagenfurt(2000) Vienna(2001–04) | Austria | Clay | 2000–04 | 5 | |
| Canberra | Canberra International | Canberra | Australia | Hard | 2001 | 1 | |
| Doha | Qatar Ladies Open | Doha |  Qatar | Hard | 2001–03 | 3 | |
| Bogotá | Copa Sony Ericsson Colsanitas | Bogotá |  Colombia | Clay | 2001–08 | 8 | Current |
| Acapulco | Abierto Mexicano Telcel HSBC | Acapulco |  Mexico | Clay | 2001–08 | 8 | Current |
| Hasselt | Gaz de France Stars | Hasselt |  Belgium | Hard (i) | 2004–06 | 3 | |
| Cincinnati | Western & Southern Open | Cincinnati | United States | Hard | 2004–2008 | 5 | Current |
| Guangzhou | Guangzhou International Women's Open | Guangzhou |  China | Hard | 2004–08 | 5 | Current |
| Bangkok | PTT Bangkok Open | Bangkok |  Thailand | Hard | 2005–07 | 3 | |
| Kolkata | Sunfeast Open | Kolkata |  India | Hard (i) | 2005–07 | 3 | |
| Istanbul | İstanbul Cup | Istanbul |  Turkey | Clay | 2005–08 | 4 | Current |
| Bangalore | Bangalore Open | Bangalore | India | Hard | 2006–08 | 3 | |
| Bad Gastein | Gastein Ladies | Bad Gastein | Austria | Clay | 2007–08 | 2 | Current |
| Viña del Mar | Cachantún Cup | Viña del Mar |  Chile | Clay | 2008 | 1 |
^A a Years in the "surface" or "country" columns only refer to the period that the tournament was played on the surface or in that country as a Tier III tournament.