A. Riske vs. S. HalepC. Garcia vs. B. KrejcikovaC. Gauff vs. J. PegulaD. Kasatkina vs. I. SwiatekP. Kvitova vs. C. GiorgiA. Sabalenka vs. M. KostyukA. Tomljanovic vs. V. GrachevaE. Svitolina vs. M. SherifK. Siniakova vs. G. MuguruzaV. Kudermetova vs. V. AzarenkaV. Zvonareva vs. O. JabeurA. Sabalenka vs. P. KvitovaE. Ruse vs. S. HalepE. Svitolina vs. J. TeichmannJ. Pegula vs. O. JabeurM. Vondrousova vs. V. GrachevaV. Kudermetova vs. G. Muguruza