Coco Gauff beats Naomi Osaka at Australian Open
7:47am PST - January 24th, 2020 coco gauff - CBS NewsCoco Gauff, the youngest player at the Australian Open, made it to the fourth round in her biggest performance yet. The 15-year-old ousted defending Japanese champ Naomi Osaka. Meantime, Serena Williams' quest for a 24th Grand Slam singles title at the Open i…