Coco Gauff shows off new serve during first round demolition at the Australian Open
Coco Gauff showcased a devastating new serve as she sealed an impressive straight sets – 6-3 6-0 – victory against Anna Karolína Schmiedlová at the Australian Open on Monday. The world No. 4 had traveled in the offseason to train with former tennis star Andy Roddick, who is widely considered one of the greatest servers…