China Open: Osaka beats Volynets and prepares the round of 16 duel with Gauff, Sabalenka wins

Four-time Grand Slam champion Naomi Osaka battled Coco Gauff at the China Open after advancing to the round of 16 with a straight-sets win on Monday. The former world number 1 defeated the 60th ranked American Katie Volynets 6:3, 6:2…