| Grand Slam (ITF)|
| August 27 – September 9|
New York City, United States
The 2001 US Open was held between August 27 – September 9, 2001. It was the final Grand Slam event of 2001.
Marat Safin was unsuccessful in his title defence, being defeated in the semifinals by Pete Sampras in a rematch of the 2000 final, while Venus Williams was successful in her title defense, beating her sister Serena in the women's final. 20-year-old Australian Lleyton Hewitt won the men's title, defeating Sampras in the final. It was the second consecutive US Open final defeat for Sampras.
2001 US Open (tennis) Wikipedia
Lleyton Hewitt defeated Pete Sampras, 7–6(7–4), 6–1, 6–1It was Hewitt's 8th title of the year, and his 10th overall. It was his first career Grand Slam title, and he became the youngest male ever to be ranked number one, at the age of 20.
Venus Williams defeated Serena Williams, 6–2, 6–4It was Venus's 6th title of the year, and her 21st overall. It was her 4th career Grand Slam title, and her 2nd US Open title.
Wayne Black / Kevin Ullyett defeated Donald Johnson / Jared Palmer, 7–6, 2–6, 6–3
Lisa Raymond / Rennae Stubbs defeated Kimberly Po / Nathalie Tauziat, 6–2, 5–7, 7–5
Rennae Stubbs / Todd Woodbridge defeated Lisa Raymond / Leander Paes, 6–4, 5–7, 7–6(11–9)• It was Stubbs' 2nd and last career Grand Slam mixed doubles title and her 1st and only title at the US Open.
• It was Woodbridge's 7th and last career Grand Slam mixed doubles title and his 3rd title at the US Open.
Gilles Müller defeated Yeu-Tzuoo Wang, 7–6(5), 6–2.
Marion Bartoli defeated Svetlana Kuznetsova, 4–6, 6–3, 6–4.
Tomáš Berdych / Stéphane Bohli defeated Brendan Evans / Brett Joelson, 6–4, 6–4.
Galina Fokina / Svetlana Kuznetsova defeated Jelena Janković / Matea Mezak, 7–5, 6–3.