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.
Lleyton Hewitt defeated Pete Sampras, 7–6(7–4), 6–1, 6–1
Venus Williams defeated Serena Williams, 6–2, 6–4
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, [11–9]
Gilles Müller defeated Yeu-Tzuoo Wang, 7–6(5), 6–2.
Marion Bartoli defeated Svetlana Kuznetsova,[a] 4–6, 6–3, 6–4.
Tomáš Berdych / Stéphane Bohli defeated Brendan Evans / Brett Joelson, 6–4, 6–4.
Galina Fokina / Svetlana Kuznetsova[a] defeated Jelena Janković[b] / Matea Mezak, 7–5, 6–3.