| Singles | |
|---|---|
| 2001 Bank of the West Classic | |
| Champion |  Kim Clijsters |
| Runner-up |  Lindsay Davenport |
| Score | 6–4, 6–7(5–7), 6–1 |
| Draw | 28 (4 Q / 2 WC) |
| Seeds | 8 |
Venus Williams was the defending champion, but lost in quarterfinals to Meghann Shaughnessy.
Kim Clijsters won the title by defeating Lindsay Davenport 6–4, 6–7(5–7), 6–1 in the final.
The first four seeds received a bye into the second round.
Venus Williams (quarterfinals) Lindsay Davenport (final) Kim Clijsters (champion) Monica Seles (semifinals) Meghann Shaughnessy (semifinals) Amy Frazier (second round) Chanda Rubin (quarterfinals)
Anne Kremer (first round)| Semifinals | Final | ||||||||||||
| 5 | Meghann Shaughnessy | 3 | 6 | 1 | |||||||||
| 3 | Kim Clijsters | 6 | 2 | 6 | |||||||||
| 3 | Kim Clijsters | 6 | 65 | 6 | |||||||||
| 2 | Lindsay Davenport | 4 | 77 | 1 | |||||||||
| 4 | Monica Seles | 4 | 2 | ||||||||||
| 2 | Lindsay Davenport | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | V Williams | 6 | 6 | ||||||||||||||||||||||||
| Q |  M-È Pelletier | 4 | 3 | K Brandi | 4 | 3 | |||||||||||||||||||||
| K Brandi | 6 | 6 | 1 | V Williams | 6 | 5 | 64 | ||||||||||||||||||||
 T Panova | 6 | 63 | 5 | 5 | M Shaughnessy | 2 | 7 | 77 | |||||||||||||||||||
 N Pratt | 3 | 77 | 7 | N Pratt | 2 | 2 | |||||||||||||||||||||
 D Bedáňová | 5 | 64 | 5 | M Shaughnessy | 6 | 6 | |||||||||||||||||||||
| 5 | M Shaughnessy | 7 | 77 | 5 | M Shaughnessy | 3 | 6 | 1 | |||||||||||||||||||
| 3 | K Clijsters | 6 | 2 | 6 | |||||||||||||||||||||||
| 3 | K Clijsters | 6 | 3 | 7 | |||||||||||||||||||||||
 C Black | 6 | 6 | C Black | 2 | 6 | 5 | |||||||||||||||||||||
| WC | K Nimmers | 0 | 2 | 3 | K Clijsters | 6 | 6 | ||||||||||||||||||||
| Q |  Y-j Cho | 77 | 3 | 2 | 7 | C Rubin | 3 | 1 | |||||||||||||||||||
| E Bovina | 63 | 6 | 6 | E Bovina | 4 | 0 | |||||||||||||||||||||
 M Weingärtner | 2 | 4 | 7 | C Rubin | 6 | 6 | |||||||||||||||||||||
| 7 | C Rubin | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | A Kremer | 4 | 7 | 66 | |||||||||||||||||||||||
| S Cacic | 6 | 5 | 78 | S Cacic | 2 | 3 | |||||||||||||||||||||
| J Hopkins | 64 | 0 | L Osterloh | 6 | 6 | ||||||||||||||||||||||
| L Osterloh | 77 | 6 | L Osterloh | 2 | 5 | ||||||||||||||||||||||
| M Tu | 4 | 6 | 6 | 4 | M Seles | 6 | 7 | ||||||||||||||||||||
| WC | L Granville | 6 | 2 | 1 | M Tu | 62 | 2 | ||||||||||||||||||||
| 4 | M Seles | 77 | 6 | ||||||||||||||||||||||||
| 4 | M Seles | 4 | 2 | ||||||||||||||||||||||||
| 6 | A Frazier | 2 | 6 | 6 | 2 | L Davenport | 6 | 6 | |||||||||||||||||||
| M Irvin | 6 | 3 | 3 | 6 | A Frazier | 5 | 77 | 3 | |||||||||||||||||||
| J Kandarr | 6 | 6 | J Kandarr | 7 | 63 | 6 | |||||||||||||||||||||
| Q | B Stewart | 3 | 2 | J Kandarr | 3 | 1 | |||||||||||||||||||||
 R Grande | 6 | 78 | 2 | L Davenport | 6 | 6 | |||||||||||||||||||||
| Q | J Nejedly | 4 | 66 | R Grande | 3 | 2 | |||||||||||||||||||||
| 2 | L Davenport | 6 | 6 | ||||||||||||||||||||||||
Serena Williams defeated her sister Venus Williams in the final, 7–6(7–4), 3–6, 6–4 to win the women's singles tennis title at the 2003 Australian Open. It was her fourth consecutive major singles triumph, completing the "Serena Slam", both a non-calendar year Grand Slam and the career Grand Slam. It was also Venus' record fourth consecutive runner-up finish at a major, losing every final to Serena. Serena saved two match points en route to the title, against Kim Clijsters in the semifinals.
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 her third major title, each time defeating Clijsters in the final. Clijsters would eventually win the title seven years later.
Defending champion Venus Williams defeated her sister Serena Williams in the final, 6–2, 6–4 to win the women's singles tennis title at the 2001 US Open. It was her fourth major singles title, and she did not lose a set during the tournament. The championship match was the first of nine major finals contested by the sisters, and the first US Open women's singles final to take place during American television prime time.
Justine Henin-Hardenne defeated Kim Clijsters in the final, 7–5, 6–1 to win the women's singles tennis title at the 2003 US Open. She lost only one set during the tournament.
Jennifer Capriati defeated Kim Clijsters in the final, 1–6, 6–4, 12–10 to win the women's singles tennis title at the 2001 French Open. Clijsters became the first Belgian woman to reach a major singles final, having won an all-Belgian semifinal against Justine Henin for the honor.
Justine Henin-Hardenne defeated Kim Clijsters in the final, 6–0, 6–4 to win the women's singles tennis title at the 2003 French Open. It was her first major singles title, and she became the first Belgian to win a major; Clijsters was attempting to achieve the same accolade. The final made Belgium the third country in the Open Era to have two countrywomen contest a major final.
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.
Serena and Venus Williams were the defending champions, but lost in the third round to Elena Dementieva and Lina Krasnoroutskaya.
Serena Williams defeated Kim Clijsters in the final, 4–6, 6–4, 6–2 to win the women's singles tennis title at the 2001 Indian Wells Masters. This would be the final time Williams would attend the Indian Wells Masters until 2015, due to a boycott of the tournament by both Williams sisters in protest of racist remarks by crowd members; Venus Williams would return to the tournament until 2016.
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.
Lindsay Davenport won in the final 6–2, 6–3 against Meghann Shaughnessy.
Venus Williams defeated Jennifer Capriati in the final, 4–6, 6–1, 7–6(7–4) to win the women's singles tennis title at the 2001 Miami Open. Williams saved eight championship points in the third set.
Serena 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. It was their second Australian Open title together and sixth major title together overall.
Serena and Venus Williams defeated Lindsay Davenport and Corina Morariu in the final, 6–2, 4–6, 6–4 to win the women's doubles tennis title at the 2001 Australian Open. It was the Williams sisters' fourth major doubles title, and they completed the career Golden Slam in doubles with the win.
Kim Clijsters was the defending champion, but did not compete this year due to a recovery from a surgery.
Kim Clijsters was the defending champion, but did not compete this year due to a recovery from a cyst surgery.
Venus Williams was the defending champion and successfully defended her title by defeating Jelena Dokic 6–2, 6–2 in the final.
Venus Williams was the defending champion and successfully defended her title, by defeating Monica Seles 6–2, 6–3 in the final.
Venus Williams was the defending champion, but did not compete this year.
Chanda Rubin was the defending champion, but was forced to withdraw due to a right shoulder tendonitis. However, she recovered in time to compete in the doubles tournament, losing in the first round.