Sharapova will open against compatriot Anna Chakvetadze , once ranked as high as fifth in the world after reaching the semifinals of the 2007 U.S. Open but now 50th as she seeks to rebuild her career . Serena and Venus Williams are the seeds their female rivals hope to avoid at Wimbledon . American sisters have won the grass - court grand slam four times between them . World No . 1 Caroline Wozniacki is drawn to potentially play Serena in semifinals . Maria Sharapova , the defending champion , is in the same half of the women 's draw .
Serena and Venus Williams are the seeds their female rivals hope to avoid at Wimbledon . American sisters have won the grass - court grand slam four times between them . World No . 1 Caroline Wozniacki is drawn to potentially play Serena in semifinals . Maria Sharapova , the defending champion , is in the same half of the women 's draw .