Coco Gauff is a American tennis player. The youngest ever world No. 1 in doubles. Cori Gauff started playing tennis at the age of seven. She was raised in Atlanta, but moved with her family to Delray Beach, Florida, to have more opportunities to develop her tennis talent. Corey comes from an athletic family. Her father played basketball at the University of Georgia and later coached his daughter, and her mother ran track and field at the University of Florida. The Gauff family also has two younger sons.