Naomi Osaka survived a hard-hitting encounter against Zheng Qinwen to set up a second-round meeting with Coco Gauff in San Jose. Osaka, playing her first tournament since exiting in the first round at Roland Garros, had lost her last four matches at the Silicon Valley Classic but found her groove in a three-set encounter to advance from a tricky opening match in California. Ad/> After splitting the first two sets, Osaka powered away in the decider to take the match 6-4 3-6 6-1, with her serve and power game working well to turn the screw.