Cori Dionne "Coco" Gauff is an American professional tennis player. She has won seven WTA Tour singles titles, including a major at the 2023 US Open, and eight doubles titles. Gauff has career-high rankings of world No. 3 in singles and of world No. 1 in doubles by the Women's Tennis Association (WTA).

The Grand Slam in tennis is the achievement of winning all four major championships in one discipline in a calendar year. In doubles, a Grand Slam may be achieved as a team or as an individual with different partners. Winning all four major championships consecutively but not within the same calendar year is referred to as a "non-calendar-year Grand Slam", while winning the four majors at any point during the course of a career is known as a "Career Grand Slam".