Playing in Stanford for the very first time in her career, Kvitova won her second-round match against Kateryna Bondarenko in a convincing fashion, leaving the Ukranian nothing but two games in each set.
Kvitova’s maiden win has set up a quarter-final clash against local girl CiCi Bellis on Friday, Bellis made her way into the quarters by beating qualifier Veronica Cepede Royg from Paraguay.
The last player to get her 2017 Bank of the West Classic campaign underway was Anastasia Pavluychenkova, the Russian #3 seed won her second-round match against American Alison Riske.