Doesn´t matter: Serena or Sharapova.
Greatest possible opponent: Radwanska, cause that can only happen in the final.
Bad: Na Li, Kvitova. If they reach the QF, that likely means they play well.
Very Good: Kerber
Matches I don´t need to see: STOSUR, CIBULKOVA, Petrova, Kirilenko, Jankovic, Ivanovic, Kuznetsova, Kanepi, Halep, Lisicki, Stephens, Robson.
I think she can beat almost anybody on the surface, but there are also a lot of stumbling blocks. Draw will be crucial.