| Singles | |
|---|---|
| 2004 Uncle Tobys Hardcourts | |
| Champion |  Ai Sugiyama |
| Runner-up |  Nadia Petrova |
| Final score | 1–6, 6–1, 6–4 |
| Draw | 30 |
| Seeds | 8 |
Nathalie Dechy was the defending champion, but lost in semifinals to Nadia Petrova.
Ai Sugiyama won the title by defeating Nadia Petrova 1–6, 6–1, 6–4 in the final.
The first two seeds received a bye into the second round.
Ai Sugiyama (champion) Nadia Petrova (final) Vera Zvonareva (second round)
Meghann Shaughnessy (first round)
Conchita Martínez (second round)
Francesca Schiavone (first round) Magüi Serna (quarterfinals)
Patty Schnyder (second round, withdrew due to an injury)| Semifinals | Final | ||||||||||||
| 1 | Ai Sugiyama | 7 | 3 | 6 | |||||||||
| WC |  Samantha Stosur | 5 | 6 | 3 | |||||||||
| 1 | Ai Sugiyama | 1 | 6 | 6 | |||||||||
| 2 | Nadia Petrova | 6 | 1 | 4 | |||||||||
 Nathalie Dechy | 61 | 4 | |||||||||||
| 2 | Nadia Petrova | 77 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | A Sugiyama | 6 | 6 | ||||||||||||||||||||||||
| É Loit | 6 | 6 | É Loit | 3 | 2 | ||||||||||||||||||||||
 T Tanasugarn | 4 | 3 | 1 | A Sugiyama | 4 | 77 | 6 | ||||||||||||||||||||
 D Chládková | 1 | 1 |  M Maleeva | 6 | 64 | 3 | |||||||||||||||||||||
| M Maleeva | 6 | 6 | M Maleeva | 7 | 6 | ||||||||||||||||||||||
| M Sánchez Lorenzo | 3 | 6 | 6 | M Sánchez Lorenzo | 5 | 4 | |||||||||||||||||||||
| 6 | F Schiavone | 6 | 2 | 3 | 1 | A Sugiyama | 7 | 3 | 6 | ||||||||||||||||||
| 4 | M Shaughnessy | 63 | 3 | WC | S Stosur | 5 | 6 | 3 | |||||||||||||||||||
| WC | S Stosur | 77 | 6 | WC | S Stosur | 7 | 6 | ||||||||||||||||||||
 K Šprem | 7 | 6 | K Šprem | 5 | 4 | ||||||||||||||||||||||
| S Farina Elia | 5 | 2 | WC | S Stosur | 77 | 7 | |||||||||||||||||||||
| Q |  A Kapros | 4 | 6 | 6 | 7 | M Serna | 61 | 5 | |||||||||||||||||||
 T Pisnik | 6 | 2 | 0 | Q | A Kapros | 6 | 0 | 4 | |||||||||||||||||||
| WC | C Dellacqua | 2 | 4 | 7 | M Serna | 2 | 6 | 6 | |||||||||||||||||||
| 7 | M Serna | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | P Schnyder | 6 | 6 | ||||||||||||||||||||||||
 J Janković | 4 | 0 | 8 | P Schnyder | |||||||||||||||||||||||
| K Srebotnik | 4 | 1 | N Dechy | w/o | |||||||||||||||||||||||
| N Dechy | 6 | 6 | N Dechy | 77 | 6 | ||||||||||||||||||||||
| S Kuznetsova | 6 | 6 | S Kuznetsova | 65 | 4 | ||||||||||||||||||||||
| E Likhovtseva | 4 | 1 | S Kuznetsova | 1 | 6 | 6 | |||||||||||||||||||||
| Q |  B Schett | 1 | 4 | 3 | V Zvonareva | 6 | 3 | 2 | |||||||||||||||||||
| 3 | V Zvonareva | 6 | 6 | N Dechy | 61 | 4 | |||||||||||||||||||||
| 5 | C Martínez | 6 | 6 | 2 | N Petrova | 77 | 6 | ||||||||||||||||||||
| Q |  T Sun | 3 | 2 | 5 | C Martínez | 3 | 4 | ||||||||||||||||||||
| Q | S Cohen-Aloro | 6 | 4 | 2 | D Safina | 6 | 6 | ||||||||||||||||||||
| D Safina | 3 | 6 | 6 | D Safina | 1 | 4 | |||||||||||||||||||||
| L Krasnoroutskaya | 78 | 1 | 5 | 2 | N Petrova | 6 | 6 | ||||||||||||||||||||
| N Pratt | 66 | 6 | 7 | N Pratt | 2 | 2 | |||||||||||||||||||||
| 2 | N Petrova | 6 | 6 | ||||||||||||||||||||||||
Kim Clijsters and Ai Sugiyama were the defending champions, but Clijsters chose not to participate. Sugiyama played alongside Liezel Huber, but they lost in the first round to Shinobu Asagoe and Rika Fujiwara.
Nadia Petrova and Martina Navratilova were the defending champions, but Navratilova retired from the sport on September 10, 2006, and only Petrova competed that year.
Petrova partnered with Svetlana Kuznetsova, but lost in the quarterfinals to Nathalie Dechy and Sun Tiantian.
Virginia Ruano Pascual and Paola Suárez were the two-time defending champions, but were defeated in the final by Kim Clijsters and Ai Sugiyama 7–6(7–5), 2–6, 7–9.
Lisa Raymond and Rennae Stubbs were the defending champions but they competed with different partners that year, Raymond with Lindsay Davenport and Stubbs with Elena Bovina.
Cara Black and Liezel Huber were the defending champions, but lost in the semifinals against Samantha Stosur and Rennae Stubbs.
Serena Williams and Venus Williams defeated Virginia Ruano Pascual and Paola Suárez in the final, 4–6, 6–4, 6–3 to win the women's doubles tennis title at the 2003 Australian Open.
Nadia Petrova and Meghann Shaughnessy were the defending champions, but Shaughnessy did not compete this year. Petrova teamed up with Elena Bovina and lost in semifinals to tournament winners Anastasia Myskina and Vera Zvonareva.
Daniela Hantuchová and Ai Sugiyama were the defending champions but decided not to defend the title together. Hantuchová chose to play with Nadia Petrova while Sugiyama played with Katarina Srebotnik. Both lost in the second round. Nathalie Dechy and Mara Santangelo won the title by defeating Tathiana Garbin and Roberta Vinci 6–4, 6–1 in the final.
Nadia Petrova and Meghann Shaughnessy were the defending champions, but lost in quarterfinals to Lisa Raymond and Rennae Stubbs.
Liezel Huber and Magdalena Maleeva were the defending champions, but competed this year with different partners. Huber teamed up with Ai Sugiyama and were eliminated in quarterfinals, while Maleeva teamed up with Katarina Srebotnik and lost in first round.
Svetlana Kuznetsova and Martina Navratilova were the defending champions, but Kuznetsova decided not to compete this year. Navratilova teamed up with Lisa Raymond and lost in second round to Elena Likhovtseva and Anastasia Myskina.
Ai Sugiyama was the defending champion, but lost in first round to Dinara Safina.
Justine Henin-Hardenne was the defending champion, but did not compete this year.
Kim Clijsters and Ai Sugiyama were the defending champions, but none competed this year. Clijsters was injured on her left wrist, while Sugiyama decided to focus on the singles tournament.
Elena Dementieva was the defending champion, but did not compete this year.
Ai Sugiyama was the defending champion, but lost in the quarterfinals to Amélie Mauresmo.
Justine Henin-Hardenne was the defending champion, but withdrew from the tournament due to injury.
Jelena Dokic and Nadia Petrova were the two-time defending champions, but Dokic did not participate in the doubles event at this tournament. Petrova partnered Elena Likhovtseva, but the pair withdrew before their semifinal match against Marion Bartoli and Silvia Farina Elia.
Lindsay Davenport was the defending champion from when the event was last held in 2000, but she decided not to participate this year.
Julie Halard-Decugis and Ai Sugiyama were the defending champions, but none competed this year.