Playing her first match on hardcourts this season, top seed Elina Svitolina made a winning start in San Jose, beating wildcard Daria Kasatkina 6-3 6-1 and extending H2H record against the Russian to 5-0. In the quarterfinals, Svitolina will face seed No.7 Maria Sakkari of Greece, who had to come back from a set down against Japanese qualifier Mayo Hibi earlier in the day to advance, 4-6 6-4 6-2.
Second seed Aryna Sabalenka of Belarus recorded a 6-3 6-3 win over American wildcard Coco Vandeweghe, who was playing her first tournament since last year’s Asian Swing.