Naomi Osaka wins at Silicon Valley Classic, Emma Raducanu advances at Citi Open
New York : Naomi Osaka delivered a terrific third set to defeat China's Qinweng Zheng 6-4, 3-6, 6-1 in the opening round of the Silicon Valley Classic. Osaka's serve was sharp and it carried her through the match, with 11 aces to Zheng's…