Claim: Venus Williams has a sibling.

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 .