| 12/31 | Australian Women's Hardcourts | Gold Coast, Australia | Na Li |
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| 12/31 | ASB Classic | Auckland, New Zealand | Lindsay Davenport |
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| 1/7 | Medibank International | Sydney, Australia | Justine Henin |
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| 1/7 | Moorilla International | Hobart, Australia | Eleni Daniilidou |
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| 1/14 | Australian Open | Melbourne, Australia | Maria Sharapova |
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| 2/4 | Open Gaz de France | Paris, France | Anna Chakvetadze |
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| 2/4 | Pattaya Women's Open | Pattaya City, Thailand | Agnieszka Radwanska |
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| 2/11 | Proximus Diamond Games | Antwerp, Belgium | Justine Henin |
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| 2/11 | Cachantun Cup | Vina del Mar, Chile | Flavia Pennetta |
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| 2/18 | Qatatr Total Open | Doha, Qatar | Maria Sharapova |
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| 2/18 | Copa Colsanitas | Bogota, Columbia | Nuria Llagostera Vives |
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| 2/25 | Barclays Dubai Tennis Championships | Dubai, United Arab Emirates | Elena Dementieva |
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| 2/25 | Abierto Mexicano TELCEL | Acapulco, Mexico | Flavia Pennetta |
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| 2/25 | The Celluar South Cup | Memphis, TN | Lindsay Davenport |
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| 3/3 | Bangalore Open | Bangalore, Indonesia | Serena Williams |
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| 3/10 | Pacific Life Open | Indian Wells, CA | Ana Ivanovic |
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| 3/24 | Sony Ericsson Open | Miami, FL | Serena Williams |
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| 4/7 | Bausch & Lomb Championships | Amelia Island, FL | Maria Sharapova |
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| 4/14 | Family Circle Cup | Charleston, SC | Serena Williams |
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| 4/14 | Estoril Open | Estoril, Portugal | Maria Kirilenko |
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| 4/28 | Grand Prix de SAR La Princesse Lalla Meryem | Fes, Martinique | Gisela Dulko |
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| 4/28 | ECM Prague Open | Prague, Czech Republic | Vera Zvonareva |
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| 5/5 | Qatar Telecom German Open | Berlin, Germany | ||
| 5/12 | Internazionali d'Italia | Rome, Italy | ||
| 5/19 | Internationaux de Strasbourg | Strasbourg, France | ||
| 5/19 | Istanbul Cup | Istanbul, Turkey | ||
| 5/28 | French Open | Roland Garros, France | ||
| 6/9 | DFS Classic | Birmingham, England | ||
| 6/9 | Barcelona Kia | Barcelona, Spain | ||
| 6/16 | International Women's Open | Eastbourne, England | ||
| 6/18 | Ordina Open | s'Hertogenbosch | ||
| 6/23 | The Championships | Wimbledon, England | ||
| 7/7 | Internazionali Femminili di Palermo | Palermo, Italy | ||
| 7/7 | Gaz de France Grand Prix | Budapest, Hungary | ||
| 7/14 | Bank of the West Classic | Stanford, CA | ||
| 7/14 | Gastein Ladies | Bad Gastein, Austria | ||
| 7/21 | East West Bank Classic | Los Angeles, CA | ||
| 7/21 | Banka Koper Slovenia Open | Portoroz, Slovenia | ||
| 7/28 | Rogers Cup | Montreal, Canada | ||
| 7/28 | Nordea Nordic Light Open | Stockholm, Sweden | ||
| 8/11 | Beijing Olympics | Beijing, China | ||
| 8/11 | Western & Southern Financial Group Women's Open | Cincinnati, OH | ||
| 8/18 | Pilot Pen Tennis presented by Schick | New Haven, CT | ||
| 8/18 | Forest Hills Classic | Forest Hills, NY | ||
| 9/1 | U.S. Open | Flushing Meadows, NY | ||
| 9/8 | Commonwealth Bank Tennis Classic | Bali, India | ||
| 9/15 | Toray Pan Pacific Open | Tokyo, Japan | ||
| 9/15 | Guangzhou International Women's Open | Guangzhou, China | ||
| 9/22 | China Open | Beijing, China | ||
| 9/22 | Hansol Korea Open Tennis Championship | Seoul, Korea | ||
| 9/29 | Porche Tennis Grand Prix | Stuttgart, Germany | ||
| 9/29 | AIG Japan Open Tennis Championships | Tokyo, Japan | ||
| 9/29 | Tashkent Open | Tashkent, Uzbekistan | ||
| 10/6 | Kremlin Cup | Moscow, Russia | ||
| 10/6 | Sunfeast Open | Kolkata, India | ||
| 10/13 | Zurich Open | Zurich, Switzerland | ||
| 10/20 | Generali Ladies Linz | Linz, Austria | ||
| 10/20 | FORTIS Championships Luxembourg | Luxembourg, Luxembourg | ||
| 10/27 | Bell Challenge | Quebec City, Canada | ||
| 11/3 | Sony Ericsson Championships | Doha, Qatar |