After upsetting world third seed Garbine Muguruza 2-6, 7-5, 6-1 in a second-round win at the BNP Paribas Open in California on Friday last, Guyana’s, American Born Sachia Vickery fell to the in-form 20-year-old Naomi Osaka in the third round match. The young Japanese player, Osaka, had scored straight-set victories over both former world number […]