Russian Nadia Petrova (L) recieves treatment during a semi-final match against Svetlana Kuznetsova of Russia at the China Open 2009, at the National Tennis Center in Beijing on October 10, 2009. Kuznetsova beat Petrova 6-1, 6-3. AFP PHOTO/GOH CHAI HIN (Photo credit should read GOH CHAI HIN/AFP/Getty Images)