Cori ‘Coco’ Gauff who is a 15-year-old tennis player and high school student defeated seven-time Grand Slam singles winner Venus Williams 6-4 on the first day of Wimbledon. They competed on the No.1 court Monday (July 1) less than a week after Gauff finished her final exams. Speaking after the incredible match, Gauff said her friends and family are ecstatic…