| Singles | |
|---|---|
| 2005 Internazionali di Modena | |
| Champion |  Anna Smashnova |
| Runner-up |  Tathiana Garbin |
| Final score | 6–6(3–0), retired |
This was the first edition of the tournament, so no defending champions were declared.
Anna Smashnova won the title, defeating Tathiana Garbin in the final. Smashnova was leading 3–0 on the first set tiebreak, when Garbin suffered a heat illness during the match and decided to retire. It was the first title of the year for Smashnova and the 16th of her career.
Francesca Schiavone (quarterfinals) Flavia Pennetta (semifinals)
Marta Domachowska (first round) Anna Smashnova (champion)
Jelena Kostanić (second round) Antonella Serra Zanetti (first round)
Mariana Díaz Oliva (quarterfinals) | Semifinals | Final | ||||||||||||
| Q |  Ágnes Szávay | 3 | 0 | ||||||||||
| Tathiana Garbin | 6 | 6 | |||||||||||
| Tathiana Garbin | 60r | ||||||||||||
| 5 | Anna Smashnova | 63 | |||||||||||
| 5 | Anna Smashnova | 7 | 6 | ||||||||||
| WC/2 | Flavia Pennetta | 5 | 3 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| WC/1 | F Schiavone | 6 | 6 | ||||||||||||||||||||||||
 M Weingärtner | 3 | 2 | WC/1 | F Schiavone | 6 | 6 | |||||||||||||||||||||
| Q | M Czink | 6 | 5 | 3 |  M Marrero | 0 | 0 | ||||||||||||||||||||
| M Marrero | 0 | 7 | 6 | WC/1 | F Schiavone | 1 | 4 | ||||||||||||||||||||
 L Cervanová | 1 | 3 | Q | Á Szávay | 6 | 6 | |||||||||||||||||||||
| Z Ondrášková | 6 | 6 | Z Ondrášková | 3 | 1 | ||||||||||||||||||||||
| Q | Á Szávay | 6 | 6 | Q | Á Szávay | 6 | 6 | ||||||||||||||||||||
| LL |  A Yakimova | 2 | 4 | Q | Á Szávay | 3 | 0 | ||||||||||||||||||||
| 4 | M Domachowska | 6 | 65 | 1 | T Garbin | 6 | 6 | ||||||||||||||||||||
 Z Yan | 2 | 77 | 6 | Z Yan | 4 | 7 | 3 | ||||||||||||||||||||
| S Mamić | 6 | 6 | S Mamić | 6 | 5 | 6 | |||||||||||||||||||||
 E Gagliardi | 1 | 4 | S Mamić | 6 | 65 | 64 | |||||||||||||||||||||
 S Cohen-Aloro | 4 | 0 | T Garbin | 4 | 77 | 77 | |||||||||||||||||||||
| T Garbin | 6 | 6 | T Garbin | 6 | 6 | ||||||||||||||||||||||
| Q | K Böhmová | 5 | 1 | 6 | J Kostanić | 2 | 3 | ||||||||||||||||||||
| 6 | J Kostanić | 7 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | An Serra Zanetti | 4 | 1 | ||||||||||||||||||||||||
| LL |  E Bychkova | 6 | 6 | LL | E Bychkova | 6 | 3 | 3 | |||||||||||||||||||
 A Bondarenko | 2 | 3 | É Loit | 1 | 6 | 6 | |||||||||||||||||||||
| É Loit | 6 | 6 | É Loit | 1 | 4 | ||||||||||||||||||||||
| A Parra Santonja | 6 | 6 | 5 | A Smashnova | 6 | 6 | |||||||||||||||||||||
| M Paštiková | 2 | 4 | A Parra Santonja | 4 | 0 | ||||||||||||||||||||||
| WC | Ad Serra Zanetti | 3 | 1 | 5 | A Smashnova | 6 | 6 | ||||||||||||||||||||
| 5 | A Smashnova | 6 | 6 | 5 | A Smashnova | 7 | 6 | ||||||||||||||||||||
| 8 | M Díaz Oliva | 77 | 6 | WC/2 | F Pennetta | 5 | 3 | ||||||||||||||||||||
| J Schruff | 65 | 1 | 8 | M Díaz Oliva | 2 | 710 | 6 | ||||||||||||||||||||
| M Suchá | 6 | 6 | M Suchá | 6 | 68 | 3 | |||||||||||||||||||||
| M Sánchez Lorenzo | 2 | 3 | 8 | M Díaz Oliva | 0 | 2 | |||||||||||||||||||||
 M Matevžič | 3 | 1 | WC/2 | F Pennetta | 6 | 6 | |||||||||||||||||||||
| Q | E Vesnina | 6 | 6 | Q | E Vesnina | 63 | 2 | ||||||||||||||||||||
| V Ruano Pascual | 2 | 79 | 62 | WC/2 | F Pennetta | 77 | 6 | ||||||||||||||||||||
| WC/2 | F Pennetta | 6 | 67 | 77 | |||||||||||||||||||||||
Justine Henin-Hardenne defeated compatriot and rival 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 Henin-Hardenne's third Grand Slam title, and her third win against Clijsters in a Grand Slam tournament final, after her victory at the 2003 French Open and the 2003 US Open. Clijsters would go on to win the title seven years later.
Anastasia Myskina won her only Grand Slam title and defeated Elena Dementieva in the final 6–1, 6–2, to win the women's singles tennis title at the 2004 French Open. Myskina had previously never passed the second round. She became the first Russian woman to win a Major. Myskina became the first woman in the Open Era to win the French Open after saving a match point in the fourth round against Svetlana Kuznetsova. This was the first time two new Grand Slam finalists competed each other in the final since the 1979 Australian Open.
Daniela Hantuchová was the defending champion, but she was defeated in the quarterfinals by Maria Sharapova.
Martina Hingis was the defending champion, but did not participate this year due to a hip injury.
Serena Williams was the defending champion, but was forced to withdraw due to a left knee injury.
12th seeded Serbian Ana Ivanovic was the champion, after edging 3rd seeded Russian Svetlana Kuznetsova in a thrilling last set tie-break in the finals. Nadia Petrova was the defending champion, but lost in the quarterfinals to Svetlana Kuznetsova.
Amélie Mauresmo was the defending champion, but lost in the quarterfinals to Francesca Schiavone
Paola Suárez was the defending champion of the 2005 Canberra International but did not join the tournament on that year. Ana Ivanovic, a qualifier here won in the final 7–5, 6–1, against Lucky loser Melinda Czink. It was her first ever WTA title and it was achieved just before she made her Grand Slam début at the 2005 Australian Open.
Justine Henin was the defending champion, but withdrew due to a virus.
Justine Henin-Hardenne was the defending champion, but did not compete this year due to a hypoglycemia.
Justine Henin-Hardenne was the defending champion, but did not compete this year due to a cytomegalovirus.
Anna Smashnova-Pistolesi was the defending champion, but lost in second round to Marta Domachowska.
Zheng Jie was the defending champion, but did not compete this year.
Eleni Daniilidou was the defending champion and successfully defended her title, by defeating Ashley Harkleroad 6–3, 6–2 in the final.
Venus Williams was the defending champion, but did not compete this year.
Jelena Janković was the defending champion, but decided to compete in Stanford at the same week.
María Sánchez Lorenzo was the defending champion, but did not compete this year.
Anna Smashnova-Pistolesi was the defending champion, but was forced to retire in her second round match against Sandra Kleinová due to a hamstring injury.
Lindsay Davenport was the two-time defending champion, but she withdrew due to injury.
Gisela Dulko won her first WTA Tour singles title, defeating Sorana Cîrstea in the final, 6–7(2–7), 6–2, 6–2 to capture the Women's Singles tennis championship at the 2007 Hungarian Ladies Open.