| Singles | |
|---|---|
| 2000 Copa Colsanitas | |
| Champion |  Patricia Wartusch |
| Runner-up |  Tathiana Garbin |
| Final score | 4–6, 6–1, 6–4 |
Fabiola Zuluaga was the defending champion, but lost in second round to runner-up Tathiana Garbin.
Patricia Wartusch won the title by defeating Tathiana Garbin 4–6, 6–1, 6–4 in the final.
Sylvia Plischke (semifinals)
Fabiola Zuluaga (second round)
Cristina Torrens Valero (first round) Ángeles Montolio (second round)
Emmanuelle Gagliardi (first round)
Paola Suárez (quarterfinals)
Olga Barabanschikova (quarterfinals) Rita Grande (first round)| Semifinals | Final | ||||||||||||
| 1 | Sylvia Plischke | 4 | 3 | ||||||||||
| Patricia Wartusch | 6 | 6 | |||||||||||
| Patricia Wartusch | 4 | 6 | 6 | ||||||||||
| Tathiana Garbin | 6 | 1 | 4 | ||||||||||
 Rita Kuti-Kis | 6 | 1 | 2 | ||||||||||
| Tathiana Garbin | 2 | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | S Plischke | 6 | 4 | 6 | |||||||||||||||||||||||
 L Němečková | 1 | 6 | 2 | 1 | S Plischke | 7 | 6 | ||||||||||||||||||||
 H Parkinson | 2 | 2 |  S Noorlander | 5 | 3 | ||||||||||||||||||||||
| S Noorlander | 6 | 6 | 1 | S Plischke | 6 | 6 | |||||||||||||||||||||
| S Reeves | 6 | 2 | 6 | 7 | O Barabanschikova | 2 | 3 | ||||||||||||||||||||
 A Barna | 2 | 6 | 0 | S Reeves | 3 | 3 | |||||||||||||||||||||
| Ad Serra Zanetti | 2 | 5 | 7 | O Barabanschikova | 6 | 6 | |||||||||||||||||||||
| 7 | O Barabanschikova | 6 | 7 | 1 | S Plischke | 4 | 3 | ||||||||||||||||||||
| 4 | Á Montolio | 7 | 6 | P Wartusch | 6 | 6 | |||||||||||||||||||||
| L Wild | 5 | 3 | 4 | Á Montolio | 3 | 6 | 2 | ||||||||||||||||||||
| Q | E Bes | 3 | 6 | 3 | P Wartusch | 6 | 1 | 6 | |||||||||||||||||||
| P Wartusch | 6 | 4 | 6 | P Wartusch | 6 | 6 | |||||||||||||||||||||
 A Jidkova | 5 | 4 | 6 | P Suárez | 4 | 2 | |||||||||||||||||||||
| P Mandula | 7 | 6 | P Mandula | 1 | 3 | ||||||||||||||||||||||
| WC | M Mesa | 2 | 65 | 6 | P Suárez | 6 | 6 | ||||||||||||||||||||
| 6 | P Suárez | 6 | 77 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | E Gagliardi | 3 | 6 | 66 | |||||||||||||||||||||||
| F Labat | 6 | 3 | 78 | F Labat | 712 | 3 | 3 | ||||||||||||||||||||
| R Kuti-Kis | 6 | 6 | R Kuti-Kis | 610 | 6 | 6 | |||||||||||||||||||||
 Ľ Cervanová | 2 | 1 | R Kuti-Kis | 6 | 6 | ||||||||||||||||||||||
| Q | G Riera | 1 | 2 | Q | N Llagostera Vives | 3 | 0 | ||||||||||||||||||||
| Q | N Llagostera Vives | 6 | 6 | Q | N Llagostera Vives | 64 | 6 | 6 | |||||||||||||||||||
| Q |  M Grzybowska | 6 | 5 | 6 | Q | M Grzybowska | 77 | 1 | 1 | ||||||||||||||||||
| 3 | C Torrens Valero | 4 | 7 | 4 | R Kuti-Kis | 6 | 1 | 2 | |||||||||||||||||||
| 8 | R Grande | 2 | 5 | T Garbin | 2 | 6 | 6 | ||||||||||||||||||||
| M Shaughnessy | 6 | 7 | M Shaughnessy | 6 | 6 | ||||||||||||||||||||||
 J Nejedly | 0 | 0 | WC | C Castaño | 3 | 1 | |||||||||||||||||||||
| WC | C Castaño | 6 | 6 | M Shaughnessy | 3 | 77 | 1 | ||||||||||||||||||||
 M Vento | 3 | 77 | 3 | T Garbin | 6 | 65 | 6 | ||||||||||||||||||||
| T Garbin | 6 | 64 | 6 | T Garbin | 6 | 6 | |||||||||||||||||||||
| M Díaz Oliva | 1 | 3 | 2 | F Zuluaga | 1 | 4 | |||||||||||||||||||||
| 2 | F Zuluaga | 6 | 6 | ||||||||||||||||||||||||
Justine Henin-Hardenne defeated Kim Clijsters in the final, 6–3, 4–6, 6–3 to win the women's singles tennis title at the 2004 Australian Open. It was her third major title, and her third win over Clijsters in a major final, after her victory at the 2003 French and US Opens. Clijsters would eventually win the title seven years later.
Anastasia Myskina defeated Elena Dementieva in the final, 6–1, 6–2 to win the women's singles tennis title at the 2004 French Open. It was her maiden major singles title, and she became the first Russian woman to win a major; she had previously never passed the quarter final at a major. Myskina became the first woman in the Open Era to win the French Open after saving a match point, doing so in the fourth round against Svetlana Kuznetsova. This marked the first time two maiden major finalists contested a final since the 1979 Australian Open. The final also made Russia the fourth country in the Open Era to have two countrywomen contest a major final.
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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.
The 1999 Bank of the West Classic singles was the singles event of the twenty-eighth edition of the first tournament in the US Open Series.
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Cătălina Cristea and Irina Selyutina were the defending champions, but both players decided to compete in Berlin at the same week.
Cristina Torrens Valero was the defending champion, but lost in quarterfinals to Jennifer Hopkins.
Patty Schnyder was the defending champion, but lost in the quarterfinals to Jelena Dokic.
Paola Suárez was the defending champion, but lost in quarterfinals to eventual tournament winner Fabiola Zuluaga.
Fabiola Zuluaga was the defending champion and successfully defended her title, by defeating Anabel Medina Garrigues 6–3, 6–2 in the final.
Fabiola Zuluaga was the defending champion and successfully defended her title, by defeating María Sánchez Lorenzo 3–6, 6–4, 6–2 in the final.
Four-time champion Fabiola Zuluaga failed to defend her title after losing to Lourdes Domínguez Lino in the semifinals. The loss also ends Zuluaga's 17-match winning streak at her home soil.
Katarina Srebotnik and Åsa Svensson were the defending champions, but none competed this year.
Eleni Daniilidou was the defending champion and successfully defended her title, by defeating Ashley Harkleroad 6–3, 6–2 in the final.
Alicia Molik was the incumbent champion, but did not compete in 2004.
Akiko Morigami and Saori Obata were the defending champions, but Obata decided to compete in Hyderabad that week. Morigami teamed up with Alina Jidkova and lost in the first round to Gisela Dulko and Patricia Tarabini.
Tathiana Garbin and Angelique Widjaja were the defending champions, but Widjaja did not compete this year. Garbin teamed up with Caroline Schneider and lost in quarterfinals to tournament winners Petra Mandula and Patricia Wartusch.
Émilie Loit was the defending champion, but lost to Nuria Llagostera Vives in the semifinals.
Bianka Lamade was the defending champion from 2001, but she chose not to compete in 2002.