keywords: sharapova kuznetsova wimbledon jankovic maria
text: Sharapova Sets Up Semi-Final with Kuznetsova  BEIJING (Reuters) - Wimbledon champion Maria Sharapova set  up an intriguing semi-final showdown with fellow Russian  Svetlana Kuznetsova at the China Open after her opponent Jelena  Jankovic retired hurt Friday with an ankle injury.