After Laura Siegemund scored her biggest-ever Grand Slam victory at the Australian Open, the first order of business was to celebrate with someone extra special watching from the sidelines.
Aryna Sabalenka stayed on track for an Australian Open hat-trick Friday, while later Coco Gauff and Naomi Osaka can set up a blockbuster clash and Novak Djokovic steps up his quest for a record 25th ...