WTA International tournaments
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| Women's pro tennis |
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The International Tournaments is a category for professional tennis tournaments of Women's Tennis Association from the 2009 WTA Tour onwards, which replaced the previous Tier III and Tier IV categories.
At 18 December 2014, there are 31 tournaments: 30 knock-out tournaments with a prize money for every event at $250,000 ($500,000 for Shenzhen, Monterrey, Seoul and Tianjin), plus the season-ending WTA Elite Trophy in Zhuhai, which has a prize money of $2,150,000.
Events
| WTA Tour 2014 (champions) |
| WTA Tour 2015 (champions) |
| Tournament | Officially known as | City | Country | Court surface | Defending champion |
|---|---|---|---|---|---|
| Auckland | ASB Classic | Auckland |  New Zealand
|
Outdoors hard |  Ana Ivanovic
|
| Shenzhen | Shenzhen Gemdale Open | Shenzhen |  China
|
Outdoors hard | Li Na
|
| Hobart | Moorilla Hobart International | Hobart |  Australia
|
Outdoors hard |  Garbiñe Muguruza
|
| Pattaya | PTT Pattaya Women's Open | Pattaya |  Thailand
|
Outdoors hard |  Ekaterina Makarova
|
| Rio de Janeiro | Rio de Janeiro Open | Rio de Janeiro |  Brazil
|
Red clay |  Kurumi Nara
|
| Acapulco | Abierto Mexicano TELCEL presentado por HSBC | Acapulco |  Mexico
|
Outdoors hard |  Dominika Cibulková
|
| Monterrey | Monterrey Open | Monterrey | Mexico
|
Outdoors hard | Ana Ivanovic
|
| Kuala Lumpur | BMW Malaysian Open | Kuala Lumpur |  Malaysia
|
Outdoors hard |  Donna Vekić
|
| Katowice | Katowice Open | Katowice |  Poland
|
Indoors hard |  Alizé Cornet
|
| Bogotá | Copa Sony Ericsson Colsanitas | Bogotá |  Colombia
|
Outdoors red clay | Caroline Garcia
|
| Marrakesh | Grand Prix SAR La Princesse Lalla Meryem | Marrakesh |  Morocco
|
Outdoors red clay | María Teresa Torró Flor
|
| Prague | Sparta Prague Open | Prague |  Czech Republic
|
Outdoors red clay |  Heather Watson
|
| Strasbourg | Internationaux de Strasbourg | Strasbourg | France
|
Outdoors red clay |  Mónica Puig
|
| Nottingham | Aegon Nottingham Challenge | Nottingham | United Kingdom
|
Outdoors grass | New event for 2015 |
| 's-Hertogenbosch | UNICEF Open | 's-Hertogenbosch |  Netherlands
|
Outdoors grass |  Coco Vandeweghe
|
| Bucharest | Bucharest Open | Bucharest |  Romania
|
Outdoors red clay | Simona Halep
|
| Båstad | Swedish Open Women | Båstad |  Sweden
|
Outdoors red clay |  Mona Barthel
|
| Bad Gastein | Gastein Ladies | Bad Gastein |  Austria
|
Outdoors red clay | Andrea Petkovic
|
| Istanbul | Istanbul Cup | Istanbul |  Turkey
|
Outdoors hard |  Caroline Wozniacki
|
| Baku | Baku Cup | Baku |  Azerbaijan
|
Outdoors hard |  Elina Svitolina
|
| Florianópolis | WTA Brasil Tennis Cup | Florianópolis | Brazil
|
Outdoors hard | Klára Koukalová
|
| Washington, D.C. | Citi Open | Washington, D.C. |  United States
|
Outdoors hard | Svetlana Kuznetsova
|
| Quebec City | Coupe Banque Nationale | Quebec City |  Canada
|
Indoors carpet | Mirjana Lucic-Baroni
|
| Osaka | HP Open | Osaka | Japan
|
Outdoors hard | Samantha Stosur
|
| Seoul | KDB Korea Open | Seoul |  South Korea
|
Outdoors hard | Karolina Pliskova
|
| Guangzhou | GRC Bank Guangzhou International Women's Open | Guangzhou | China
|
Outdoors hard | Monica Niculescu
|
| Tashkent | Tashkent Open | Tashkent |  Uzbekistan
|
Outdoors hard |  Karin Knapp
|
| Hong Kong | Hong Kong Open | Hong Kong |  Hong Kong
|
Outdoors hard | Sabine Lisicki
|
| Linz | Generali Ladies Linz | Linz | Austria
|
Indoors hard | Karolina Pliskova
|
| Tianjin | Tianjin Open | Tianjin | China
|
Outdoors hard | Alison Riske
|
| Luxembourg | BGL Luxembourg Open | Luxembourg City |  Luxembourg
|
Indoors hard | Annika Beck
|
| Zhuhai | WTA Elite Trophy | Zhuhai | China
|
Indoors hard | New event for 2015 |