Coco Gauff is now the youngest winner on the Women’s Tennis Association since 2004 as a 15 year old. Coco Gauff defeated Jelena Ostapenko for her first tennis title in her career. She defeated Jelena Ostapenko 6-3 in the first set, lost the second set 1-6, and won the final set 6-2. The most recent youngest person to win the Women’s Tennis Association was Nicole Vaidisova, who won two Women’s Tennis Association titles in 2004 at the age of 15 years old. Although Coco is new to the professional tennis world, she has a very bright career ahead of her.