Sports Coco Gauff withdraws from Tokyo Olympics after positive COVID-19 test July 18, 2021July 18, 2021Alyssa Hertel and Tom Schad, USA TODAYComments Off on Coco Gauff withdraws from Tokyo Olympics after positive COVID-19 test Coco Gauff, the 17-year-old tennis player, was expected to headline the United States' tennis roster at the Olympics.