MELBOURNE, Jan 24 (Reuters) - "Fake it 'til you make it," Coco Vandeweghe said after her fourth round upset of world number one Angelique Kerber this week and if the American is indeed hiding her nerves under a patina of confidence, she's doing a great job of it.
The big-hitting 25-year-old world number 35 blasted her way past seventh seed Garbine Muguruza 6-4 6-0 at the Australian Open on Tuesday to reach the semi-finals of a grand slam for the first time.
French Open champion Muguruza was left simply stunned.
"I think she played unbelievable.