Serena withdrew from Charleston, Rome and Madrid w/knee injury.
AP Online
05-07-2001
Serena Williams Exits Italia Open
ROME (AP) -- Serena Williams pulled out of next week's Italian Open on Monday
because of a nagging knee injury, leaving the tournament without either of
the sisters.
Venus Williams, who won Sunday in Hamburg, Germany, cited knee problems in
withdrawing from the May 14-20 clay-court event.