| Details | |
|---|---|
| Duration | January 27 – October 29 |
| Edition | 14th |
| Tournaments | 9 |
| Achievements (singles) | |
| Most tournament titles |  Justine Henin (4) |
| Most tournament finals | Justine Henin (4) |
← 2002 2004 → | |
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour. [1]
| Tournament | Country | Location | Surface | Date | Prize money [2] |
|---|---|---|---|---|---|
| Toray Pan Pacific Open [3] | Japan | Tokyo | Carpet (i) | Jan 27 – Feb 2 | $1,300,000 |
| Pacific Life Open | United States | Indian Wells | Hard | Mar 3 – 16 | $2,100,000 |
| NASDAQ-100 Open | United States | Key Biscayne | Hard | Mar 17 – 30 | $2,960,000 |
| Family Circle Cup | United States | Charleston | Clay (green) | Apr 7 – 13 | $1,300,000 |
| MasterCard German Open [4] | Germany | Berlin | Clay | May 5 – 11 | $1,224,000 |
| Telecom Italia Masters [5] | Italy | Rome | Clay | May 12 – 18 | $1,300,000 |
| Rogers AT&T Cup | Canada | Toronto | Hard | Aug 11 – 17 | $1,325,000 |
| Ladies Kremlin Cup | Russia | Moscow | Carpet (i) | Sep 29 – Oct 5 | $1,300,000 |
| Swisscom Challenge | Switzerland | Zürich | Hard (i) | Oct 13 – 19 | $1,300,000 |
| Tournament | Singles champions | Runners-up | Score | Doubles champions | Runners-up | Score |
|---|---|---|---|---|---|---|
| Tokyo |  Lindsay Davenport | Monica Seles | 6–7(6–8), 6–1, 6–2 |  Elena Bovina  Rennae Stubbs | Lindsay Davenport Lisa Raymond | 6–3, 6–4 |
| Indian Wells | Kim Clijsters | Lindsay Davenport | 6–4, 7–5 | Lindsay Davenport Lisa Raymond | Kim Clijsters  Ai Sugiyama | 2–6, 6–2, 7–6(7–5) |
| Miami | Serena Williams | Jennifer Capriati | 4–6, 6–4, 6–1 |  Liezel Huber  Magdalena Maleeva | Shinobu Asagoe Nana Miyagi | 6–4, 3–6, 7–5 |
| Charleston | Justine Henin | Serena Williams | 7–6(7–5), 6–4 |  Virginia Ruano Pascual  Paola Suárez |  Janette Husárová Conchita Martínez | 6–0, 6–3 |
| Berlin | Justine Henin | Kim Clijsters | 6–4, 4–6, 7–5 | Virginia Ruano Pascual Paola Suárez | Kim Clijsters Ai Sugiyama | 6–3, 4–6, 6–4 |
| Rome | Kim Clijsters |  Amélie Mauresmo | 3–6, 7–6(7–3), 6–0 | Svetlana Kuznetsova* |  Jelena Dokić Nadia Petrova | 6–4, 5–7, 6–2 |
| Martina Navratilova | ||||||
| Toronto | Justine Henin | Lina Krasnoroutskaya | 6–1, 6–0 | Svetlana Kuznetsova Martina Navratilova |  María Vento-Kabchi  Angelique Widjaja | 3–6, 6–1, 6–1 |
| Moscow | Anastasia Myskina | Amélie Mauresmo | 6–2, 6–4 | Nadia Petrova* | Anastasia Myskina Vera Zvonareva | 6–3, 6–4 |
| Meghann Shaughnessy | ||||||
| Zürich | Justine Henin | Jelena Dokić | 6–0, 6–4 | Kim Clijsters* | Virginia Ruano Pascual Paola Suárez | 7–6(7–3), 6–2 |
| Ai Sugiyama |
The WTA Tier I tournaments are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA Tier I events are part of the elite tour for professional women's tennis organised by the WTA called the WTA Tour.
The WTA 1000 Mandatory and non-Mandatory tournaments, which are part of the WTA 1000 tournaments, make up the elite tour for professional women's tennis organised by the WTA called the WTA Tour. There are four 1000 Mandatory tournaments: Indian Wells, Miami, Madrid and Beijing and five non-Mandatory tournaments: Doha, Rome, Canada, Cincinnati, and Guadalajara, the last of which was held starting this year as a substitute for Wuhan.
The WTA Premier Mandatory and Premier 5 tournaments, which are part of the WTA Premier tournaments, make up the elite tour for professional women's tennis organised by the WTA called the WTA Tour. There are four Premier Mandatory tournaments: Indian Wells, Miami, Madrid and Beijing and five Premier 5 tournaments: Dubai, Rome, Canada, Cincinnati and Tokyo.
The WTA Premier Mandatory and Premier 5 tournaments, which are part of the WTA Premier tournaments, make up the elite tour for professional women's tennis organised by the WTA called the WTA Tour. There are four Premier Mandatory tournaments: Indian Wells, Miami, Madrid and Beijing and five Premier 5 tournaments: Dubai, Rome, Canada, Cincinnati and Wuhan.
The WTA Premier Mandatory and Premier 5 tournaments, which are part of the WTA Premier tournaments, make up the elite tour for professional women's tennis organised by the WTA called the WTA Tour. There are four Premier Mandatory tournaments: Indian Wells, Miami, Madrid and Beijing and five Premier 5 tournaments: Dubai, Rome, Canada, Cincinnati and Wuhan.
The WTA Premier Mandatory and Premier 5 tournaments, which are part of the WTA Premier tournaments, make up the elite tour for professional women's tennis organised by the WTA called the WTA Tour. There are four Premier Mandatory tournaments: Indian Wells, Miami, Madrid and Beijing and five Premier 5 tournaments: Doha, Rome, Canada, Cincinnati and Wuhan.