| Singles | |
|---|---|
| 2004 Moorilla Hobart International | |
| Champion |  Amy Frazier |
| Runner-up |  Shinobu Asagoe |
| Score | 6–3, 6–3 |
| Draw | 32 |
| Seeds | 8 |
Alicia Molik was the incumbent champion, but did not compete in 2004.
Amy Frazier won the title by defeating Shinobu Asagoe 6–3, 6–3 in the final.
Eleni Daniilidou (first round, retired)
Svetlana Kuznetsova (first round) Elena Likhovtseva (first round)
Fabiola Zuluaga (quarterfinals)
María Vento-Kabchi (second round) Shinobu Asagoe (final)
Anca Barna (quarterfinals) Laura Granville (first round)| Semifinals | Final | ||||||||||||
 Kristina Brandi | 7 | 4 | 4 | ||||||||||
| 6 | Shinobu Asagoe | 5 | 6 | 6 | |||||||||
| 6 | Shinobu Asagoe | 3 | 3 | ||||||||||
| Amy Frazier | 6 | 6 | |||||||||||
| Amy Frazier | 4 | 6 | 6 | ||||||||||
| Q |  María Emilia Salerni | 6 | 3 | 2 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | E Daniilidou | 5 | 0r | ||||||||||||||||||||||||
 T Garbin | 7 | 2 | T Garbin | 2 | 2 | ||||||||||||||||||||||
| WC |  C Wheeler | 1 | 2 | K Brandi | 6 | 6 | |||||||||||||||||||||
| K Brandi | 6 | 6 | K Brandi | 6 | 6 | ||||||||||||||||||||||
 M Suchá | 6 | 2 | A Morigami | 3 | 4 | ||||||||||||||||||||||
| S Reeves | 3 | 2r | M Suchá | 5 | 2 | ||||||||||||||||||||||
| A Morigami | 6 | 6 | A Morigami | 7 | 6 | ||||||||||||||||||||||
| 8 | L Granville | 2 | 4 | K Brandi | 7 | 4 | 4 | ||||||||||||||||||||
| 4 | F Zuluaga | 6 | 6 | 6 | S Asagoe | 5 | 6 | 6 | |||||||||||||||||||
 J Zheng | 4 | 4 | 4 | F Zuluaga | 4 | 6 | 6 | ||||||||||||||||||||
 M Czink | 4 | 1 | WC | S Stosur | 6 | 3 | 1 | ||||||||||||||||||||
| WC | S Stosur | 6 | 6 | 4 | F Zuluaga | 2 | 4 | ||||||||||||||||||||
| R Grande | 62 | 6 | 6 | 6 | S Asagoe | 6 | 6 | ||||||||||||||||||||
| Q |  A Keothavong | 77 | 2 | 3 | R Grande | 1 | 5 | ||||||||||||||||||||
 E Callens | 3 | 3 | 6 | S Asagoe | 6 | 7 | |||||||||||||||||||||
| 6 | S Asagoe | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | M Vento-Kabchi | 4 | 6 | 7 | |||||||||||||||||||||||
 B Schett | 6 | 2 | 5 | 5 | M Vento-Kabchi | 67 | 6 | 1 | |||||||||||||||||||
| ME Camerin | 65 | 77 | 79 | ME Camerin | 79 | 2 | 6 | ||||||||||||||||||||
| Ľ Cervanová | 77 | 63 | 77 | ME Camerin | 62 | 4 | |||||||||||||||||||||
| G Voskoboeva | 3 | 2 | A Frazier | 77 | 6 | ||||||||||||||||||||||
 A Medina Garrigues | 6 | 6 | A Medina Garrigues | 1 | 4 | ||||||||||||||||||||||
| A Frazier | 6 | 6 | A Frazier | 6 | 6 | ||||||||||||||||||||||
| 3 | E Likhovtseva | 2 | 3 | A Frazier | 4 | 6 | 6 | ||||||||||||||||||||
| 7 | A Barna | 6 | 78 | Q | ME Salerni | 6 | 3 | 2 | |||||||||||||||||||
| A Harkleroad | 1 | 66 | 7 | A Barna | 3 | 7 | 7 | ||||||||||||||||||||
| LL |  I Benešová | 3 | 0 | Q | M Washington | 6 | 5 | 5 | |||||||||||||||||||
| Q | M Washington | 6 | 6 | 7 | A Barna | 64 | 3 | ||||||||||||||||||||
| K Koukalová | 6 | 7 | Q | ME Salerni | 77 | 6 | |||||||||||||||||||||
| Q | Y Yoshida | 2 | 5 | K Koukalová | 2 | 6 | 3 | ||||||||||||||||||||
| Q | ME Salerni | 6 | 6 | Q | ME Salerni | 6 | 3 | 6 | |||||||||||||||||||
| 2 | S Kuznetsova | 1 | 1 | ||||||||||||||||||||||||
Virginia Ruano Pascual and Paola Suárez were the defending champions, but Suárez did not participate due to injury. Ruano Pascual partnered Conchita Martínez, but lost in the first round to Jennifer Hopkins and Mashona Washington.
Alina Jidkova and Tatiana Perebiynis were the defending champions, but none entered this year. Perebiynis opted to rest in order to compete at Indian Wells the following week.
Shinobu Asagoe and Ai Sugiyama were the defending champions. They were both present but did not compete together.
Asagoe partnered with Tathiana Garbin, but lost in the semifinals to Conchita Martínez and Virginia Ruano Pascual.
Sugiyama partnered with Daniela Hantuchová, but lost in the semifinals to Anna-Lena Grönefeld and Martina Navratilova.
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.
Svetlana Kuznetsova and Martina Navratilova were the defending champions, but chose not to participate that year.
Shinobu Asagoe and Els Callens were the defending champions but they competed with different partners that year, Asagoe with Nana Miyagi and Callens with Meilen Tu.
Els Callens and Meilen Tu were the defending champions but they competed with different partners that year. Callens partnered with Shinobu Asagoe, and lost in the first round to Eleni Daniilidou and Katarina Srebotnik. Tu partnered with Tina Križan, and lost in the quarterfinals to Maria Kirilenko and Maria Sharapova.
The 1999 Toyota Princess Cup singles was the tennis singles event of the third edition of the first hardcourt tournament after the US Open. Monica Seles was the two-time defending champion, but was defeated by Lindsay Davenport in the final to win the title.
Martina Suchá was the defending champion but lost to Alicia Molik in the first round.
Jill Craybas was the defending champion, but lost in quarterfinals to Arantxa Parra Santonja.
Shinobu Asagoe and Nana Miyagi were the defending champions, but lost in quarterfinals to Yan Zi and Zheng Jie.
Eleni Daniilidou was the defending champion and successfully defended her title, by defeating Ashley Harkleroad 6–3, 6–2 in the final.
Teryn Ashley and Abigail Spears were the defending champions, but Spears decided to compete in Gold Coast at the same week. Ashley teamed up with Shenay Perry and lost in first round to Iveta Benešová and Renata Voráčová.
Cara Black and Elena Likhovtseva were the defending champions, but none competed this year. Black competed in Sydney at the same week, while Likhovtseva decided to focus only on the singles competition.
Kim Clijsters was the defending champion, but did not compete this year due to an injury on her left wrist.
Maria Sharapova and Tamarine Tanasugarn were the defending champions, but none competed this year.
Maria Sharapova and Tamarine Tanasugarn were the defending champions, but decided to focus on the singles tournament only. Sharapova would eventually win the title.
Maria Sharapova was the defending champion from 2004, but decided not to compete in 2005.
Eleni Daniilidou was the two-time defending champion, but was defeated in the first round by Mara Santangelo.
Mervana Jugić-Salkić and Jelena Kostanić were the defending champions, neither chose to compete in 2005.