Results in the Istanbul WTA tournament on Thursday (x denotes seeded player): 2nd rd Elise Mertens (BEL x1) bt Viktorija Golubic (SUI) 6-4, 4-6, 6-1 Veronika Kudermetova (RUS x3) bt Kaia Kanepi (EST) 6-4, 6-3 Ana Bogdan (ROM) bt Barbora Krejcikova (CZE x5) 6-3, 6-3 Fiona Ferro (FRA) bt Vera Zvonareva (RUS) 6-3, 6-3 afp