WTA St Petersburg, First round predictions

Update:

Maria lost in 2 sets

Cornet won in 2 sets

Kasatkina won in 3 sets

Cibulkova won in 2 sets

Siniakova won in 3 sets

Pavlyuchenkova

Goerges won in 2 sets

Vinci won in 2 sets

Rybakina won in 2 sets

Kvitova

Petkovic lost in 2 sets

Bertens retired