If she can keep the ball in the court, Pennetta will be a win for her
Stosur/Suarez Navarro would be more tricky but I can't think of better clay court conditions (except maybe Stuttgart) for her to beat them in
After Madrid and Rome is she playing Strasbourg, Brussels or neither?
Prague may not have been a bad choice instead of Rome but Zakopalova, Safarova and others are playing so it would be quite tough
Although, last time she resorted to the ITF Circuit (besides Helsinki and Biella) it was the start of her emphatic return