WTA Dubai results on Wednesday (x denotes seeding): 2nd rd Simona Halep (ROU x1) bt Ons Jabeur (TUN) 1-6, 6-2, 7-6 (9/7) Aryna Sabalenka (BLR x7) bt Elise Mertens (BEL) 6-4, 6-3 Jennifer Brady (USA) bt Marketa Vondrousova (CZE) 4-6, 6-4, 6-1 Garbine Muguruza (ESP x9) bt Veronika Kudermetova (RUS) 7-5, 4-6, 6-4 Petra Martic (CRO x8) bt Barbora Strycova (CZE) 6-3, 6-3 Anett Kontaveit (EST) bt Anastasia Pavlyuchenkova (RUS) 7-6 (7/5), 7-5 Elena Rybakina (KAZ) bt Katerina Siniakova (CZE) 6-3, 6-3 Karolína Pliskova (CZE x2) bt Kristina Mladenovic (FRA) 6-1, 6-2 afp