| Tournament | Surface | Week | Winner | Finalist | Semifinalists | Quarterfinalists |
|---|
| Tokyo | Carpet (i) | January 31 | RUS}} Maria Sharapova
6–1, 3–6, 7–6(7–5) | USA}} Lindsay Davenport | RUS}} Svetlana Kuznetsova
{{flagicon|JPN}} Shinobu Asagoe | CZE}} Iveta Benešová
{{flagicon|SVK}} Daniela Hantuchová
{{flagicon|RUS}} Elena Dementieva
{{flagicon|RUS}} Elena Likhovtseva |
| Indian Wells | Hard | March 7 | BEL}} Kim Clijsters
6–4, 4–6, 6–2 | USA}} Lindsay Davenport | RUS}} Maria Sharapova
{{flagicon|RUS}} Elena Dementieva | FRA}} Nathalie Dechy
{{flagicon|FRA}} Mary Pierce
{{flagicon|RUS}} Svetlana Kuznetsova
{{flagicon|ESP}} Conchita Martínez |
| Miami | Hard | March 21 | BEL}} Kim Clijsters
6–3, 7–5 | RUS}} Maria Sharapova | FRA}} Amélie Mauresmo
{{flagicon|USA}} Venus Williams | SRB}} Ana Ivanovic
{{flagicon|RUS}} Elena Dementieva
{{flagicon|USA}} Serena Williams
{{flagicon|BEL}} Justine Henin-Hardenne |
| Charleston | Clay | April 11 | BEL}} Justine Henin-Hardenne
7–5, 6–4 | RUS}} Elena Dementieva | FRA}} Tatiana Golovin
{{flagicon|SUI}} Patty Schnyder | USA}} Lindsay Davenport
{{flagicon|RUS}} Nadia Petrova
{{flagicon|CZE}} Nicole Vaidišová
{{flagicon|SLO}} Katarina Srebotnik |
| Berlin | Clay | May 2 | BEL}} Justine Henin-Hardenne
6–3, 4–6, 6–3 | RUS}} Nadia Petrova | SUI}} Patty Schnyder
{{flagicon|SRB}} Jelena Janković | RUS}} Maria Sharapova
{{flagicon|RUS}} Svetlana Kuznetsova
{{flagicon|RUS}} Elena Bovina
{{flagicon|FRA}} Amélie Mauresmo |
| Rome | Clay | May 9 | FRA}} Amélie Mauresmo
2–6, 6–3, 6–4 | SUI}} Patty Schnyder | RUS}} Maria Sharapova
{{flagicon|RUS}} Vera Zvonareva | RUS}} Elena Bovina
{{flagicon|RUS}} Evgenia Linetskaya
{{flagicon|ITA}} Francesca Schiavone
{{flagicon|ESP}} Conchita Martínez |
| San Diego | Hard | August 1 | FRA}} Mary Pierce
6–0, 6–3 | JPN}} Ai Sugiyama | CHN}} Peng Shuai
{{flagicon|JPN}} Akiko Morigami | BEL}} Kim Clijsters
{{flagicon|SUI}} Patty Schnyder
{{flagicon|RUS}} Anna Chakvetadze
{{flagicon|BUL}} Sesil Karatantcheva |
| Toronto | Hard | August 15 | BEL}} Kim Clijsters
7–5, 6–1 | BEL}} Justine Henin-Hardenne | RUS}} Anastasia Myskina
{{flagicon|FRA}} Amélie Mauresmo | ARG}} Gisela Dulko
{{flagicon|ITA}} Flavia Pennetta
{{flagicon|CZE}} Nicole Vaidišová
{{flagicon|RUS}} Nadia Petrova |
| Moscow | Carpet (i) | October 10 | FRA}} Mary Pierce
6–4, 6–3 | ITA}} Francesca Schiavone | RUS}} Dinara Safina
{{flagicon|RUS}} Elena Dementieva | RUS}} Maria Sharapova
{{flagicon|RUS}} Elena Likhovtseva
{{flagicon|RUS}} Anastasia Myskina
{{flagicon|RUS}} Svetlana Kuznetsova |
| Zurich | Carpet (i) | October 17 | USA}} Lindsay Davenport
7–6(7–5), 6–3 | SUI}} Patty Schnyder | RUS}} Anastasia Myskina
{{flagicon|SRB}} Ana Ivanovic | ITA}} Francesca Schiavone
{{flagicon|RUS}} Elena Dementieva
{{flagicon|ITA}} Flavia Pennetta
{{flagicon|SLO}} Katarina Srebotnik |