Tennis superstar Coco Gauff made an appearances on NBC's 'The Tonight Show starring Jimmy Fallon' in her late-night talk show debut.

French Open champion Coco Gauff is responding to her opponent Aryna Sabalenka's comments after the women's final on Saturday. After the game, Sabalenka told the press in part, "I think she won the match not because she played incredible; just because I made all of those mistakes ... kind of like from easy balls."