She should be able to get to the semis. If she doesn't it will be a big disappointment for me. No one in her path to the quarters is at her level. I have finally given up on Petrova so I think Jankovic would be the toughest opponent but she has lost early quite often this year.
Petra Kvitova-Angelique Kerber-Jelena Ostapenko
Timea Bacsinszky-Ana Konjuh-Caroline Garcia-Zarina Diyas
Riding the 3AM Rollercoaster