Coco Gauff begins quest for back-to-back Grand Slam titles at Australian Open with 6-3 6-0 first-round victory over Anna Karolina Schmiedlova

Reigning US Open champion Coco Gauff began her quest for back-to-back Grand Slam singles titles with a 6-3, 6-0 victory over Anna Karolina Schmiedlova at the Australian Open.