| Singles | |
|---|---|
| 2001 Toyota Princess Cup | |
| Champion |  Jelena Dokic |
| Runner-up |  Arantxa Sánchez Vicario |
| Final score | 6–4, 6–2 |
| Draw | 28 (2WC/4Q/1LL) |
| Seeds | 8 |
Serena Williams was the defending champion, but did not compete this year.
Jelena Dokic won the title by defeating Arantxa Sánchez Vicario 6–4, 6–2 in the final. [1]
The first four seeds received a bye into the second round.
Kim Clijsters (semifinals)
Jelena Dokic (champion)
Sandrine Testud (quarterfinals) Arantxa Sánchez Vicario (final)
Iroda Tulyaganova (first round)
Tamarine Tanasugarn (quarterfinals) Cristina Torrens Valero (first round)| Semifinals | Final | ||||||||||||
| 1 | Kim Clijsters | 5 | 4 | ||||||||||
| 3 | Jelena Dokic | 7 | 6 | ||||||||||
| 3 | Jelena Dokic | 6 | 6 | ||||||||||
| 5 | Arantxa Sánchez Vicario | 4 | 2 | ||||||||||
| 5 | Arantxa Sánchez Vicario | 6 | 7 | ||||||||||
| Gala León García | 3 | 5 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | K Clijsters | 6 | 6 | ||||||||||||||||||||||||
| WC |  R Fujiwara | 3 | 2 |  C Black | 0 | 3 | |||||||||||||||||||||
| C Black | 6 | 6 | 1 | K Clijsters | 6 | 6 | |||||||||||||||||||||
 M Weingärtner | 1 | 0 | 7 | T Tanasugarn | 3 | 1 | |||||||||||||||||||||
 N Pratt | 6 | 6 | N Pratt | 3 | 6 | 2 | |||||||||||||||||||||
 R Grande | 62 | 4 | 7 | T Tanasugarn | 6 | 3 | 6 | ||||||||||||||||||||
| 7 | T Tanasugarn | 77 | 6 | 1 | K Clijsters | 5 | 4 | ||||||||||||||||||||
| 3 | J Dokic | 7 | 6 | ||||||||||||||||||||||||
| 3 | J Dokic | 6 | 6 | ||||||||||||||||||||||||
 L Krasnoroutskaya | 6 | 6 | L Krasnoroutskaya | 4 | 4 | ||||||||||||||||||||||
 M Díaz Oliva | 4 | 0 | 3 | J Dokic | 6 | 6 | |||||||||||||||||||||
| M Tu | 6 | 6 | M Tu | 2 | 2 | ||||||||||||||||||||||
| R McQuillan | 2 | 2 | M Tu | 66 | 6 | 7 | |||||||||||||||||||||
| Q |  L Huber | 6 | 6 | Q | L Huber | 78 | 1 | 5 | |||||||||||||||||||
| 6 | I Tulyaganova | 4 | 1 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | A Sánchez Vicario | 6 | 6 | ||||||||||||||||||||||||
| E Dominikovic | 1 | 2 | 5 | A Sánchez Vicario | 6 | 64 | 79 | ||||||||||||||||||||
| S Asagoe | 6 | 62 | 3 | Q |  S Talaja | 4 | 77 | 67 | |||||||||||||||||||
| Q | S Talaja | 4 | 77 | 6 | 5 | A Sánchez Vicario | 6 | 1 | 77 | ||||||||||||||||||
| Q | S Hisamatsu | 1 | 4 | 4 | S Testud | 3 | 6 | 65 | |||||||||||||||||||
| WC | S Obata | 6 | 6 | WC | S Obata | 2 | 77 | 1 | |||||||||||||||||||
| 4 | S Testud | 6 | 64 | 6 | |||||||||||||||||||||||
| 5 | A Sánchez Vicario | 6 | 7 | ||||||||||||||||||||||||
| 8 | C Torrens Valero | 1 | 2 | G León García | 3 | 5 | |||||||||||||||||||||
| A Sugiyama | 6 | 6 | A Sugiyama | 3 | 6 | 77 | |||||||||||||||||||||
| J Kruger | 7 | 3 | 6 | J Kruger | 6 | 4 | 64 | ||||||||||||||||||||
| A Molik | 5 | 6 | 2 | A Sugiyama | 4 | 3 | |||||||||||||||||||||
| G León García | 6 | 2 | 6 | G León García | 6 | 6 | |||||||||||||||||||||
| LL |  J Lee | 4 | 6 | 2 | G León García | 6 | 3 | 6 | |||||||||||||||||||
| Q | M Saeki | 2 | 6 | 2 | |||||||||||||||||||||||
Serena Williams defeated the two-time defending champion, her sister Venus Williams, in a rematch of the previous year's final, 6–4, 6–3 to win the women's singles tennis title at the 2002 US Open. It was her third consecutive major title, the third step towards completing her first "Serena Slam", and her second consecutive major title won without losing a set.
Martina Hingis was the defending champion, but chose not to participate that year.
Monica Seles was the reigning champion but did not compete that year.
Mary Pierce was the defending champion but lost in the third round to Amy Frazier.
Conchita Martínez and Arantxa Sánchez Vicario were the defending champions but they competed with different partners that year, Martínez with Jelena Dokić and Sánchez Vicario with Martina Navratilova.
The 2001 Italian Open women's singles took place May 14–20, 2001.
Martina Hingis and Mary Pierce were the defending champions, but neither participated in this tournament.
Amélie Mauresmo was the defending champion, but withdrew prior to their quarterfinals match against Serena Williams.
Arantxa Sánchez Vicario and Nathalie Tauziat were the defending champions, but Tauziat did not compete in this edition. Sánchez Vicario teamed up with Daniela Hantuchová and lost in first round to Elena Dementieva and Janette Husárová.
Arantxa Sánchez Vicario and Jared Palmer were the defending champions, but lost in the quarterfinals to Ai Sugiyama and Ellis Ferreira.
Nathalie Tauziat was the defending champion, but lost in semifinals to Elena Likhovtseva.
Venus Williams was the defending champion and successfully defended her title, by defeating Monica Seles 6–2, 6–3 in the final.
Conchita Martínez and Patricia Tarabini were the defending champions, but decided to compete this year with different partners.
Cara Black and Elena Likhovtseva were the defending champions, but lost in semifinals to Martina Hingis and Barbara Schett.
Amélie Mauresmo was the defending champion, but lost in second round to Anne Kremer.
Venus Williams was the defending champion, but lost in the final 1–6, 6–3, 6–4 against Kim Clijsters.
Jelena Dokic was the defending champion, but lost in semifinals to Kim Clijsters.
Cara Black and Liezel Huber were the defending champions, but Huber did not compete this year. Black teamed up with Elena Likhovtseva and lost in semifinals to tournament winners Svetlana Kuznetsova and Arantxa Sánchez Vicario.
Lindsay Davenport was last year edition champion, and successfully defended her title this year by winning over Jelena Dokic in the final 6–4, 6–1.
Daniela Hantuchová and Arantxa Sánchez Vicario were the defending champions, but Sánchez Vicario chose not to compete in 2003. Hantuchová played with Dája Bedáňová, but lost in the first round.