Cori Gauff reacts during her first round match Monday against Venus Williams at Wimbledon.
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Go, Coco!
15-year-old Cori Gauff beats Venus Williams in Wimbledon's first round
You don’t always need a high school diploma to graduate to big-time professional tennis. Cori Gauff, who answers to the nick- name “Coco,” is tennis’ latest phenom at a mere 15 years old.