Jankovic advances to Key Biscayne semis (AP) Jelena Jankovic advanced to the semifinals of the Sony Ericsson Open when Elena Dementieva retired with a back injury trailing 6-3, 3-1 on Wednesday. Dementieva said her back began bothering her Tuesday. She received courtside treatment from a trainer during the match before calling it quits after 58 minutes. Publish Date: Wed, 02 Apr 2008 13:19:29 PDT Read more...