Pan Pacific Open: Wham-bam as Japan’s Naomi Osaka roars into quarters
"I didn't really feel any pressure," said Osaka, who reached the Tokyo final in 2016.
"I didn't really feel any pressure," said Osaka, who reached the Tokyo final in 2016.
Third seed Wozniacki stormed through the first set in just 22 minutes, blazing winners past a stunned Pavlyuchenkova.
Garbine Muguruza pulverised Olympic champion Monica Puig 6-4, 6-0 on Wednesday.
