Australian Open 2026: Coco Gauff pushes into quarterfinals, Learner Tien upsets Daniil Medvedev Coco Gauff and Learner Tien have the U.S. looking strong at the Australian Open. Content Original Link: https://sports.yahoo.com/tennis/article/australian-open-2026-coco-gauff-pushes-into-quarterfinals-learner-tien-upsets-daniil-medvedev-143823198.html