Results from the WTA tournament in St Petersburg on Wednesday (x denotes seeding): 2nd rd Vera Zvonareva (RUS) bt Fiona Ferro (FRA x3) 6-7 (6/8), 7-5, 7-6 (7/2) Svetlana Kuznetsova (RUS x4) bt Wang Xinyu (CHN) 6-1, 7-5 1st rd Anastasia Gasanova (RUS) bt Katarina Zavatska (UKR) 6-2, 6-7 (6/8), 7-5 afp