Tennis15 YO Coco Gauff continues her run; knocks defending champ Osaka out!PenbugsJanuary 24, 2020January 24, 2020 by PenbugsJanuary 24, 2020January 24, 20200 15-year-old Coco Gauff who was knocked out in the first round of the juniors tournament at the Australian Open last year is into the fourth...