Coco Gauff became the first U.S. woman to win the French Open since Serena Williams in 2015.

Gauff drew inspiration from Gabby Thomas, the women’s Olympic 200-meter champion at last year’s Paris Olympics, who kept writing down that she would be the Olympic champion in her Notes app in the lead up to the race.

Call Coco Gauff the queen of clay. The American phenom, just 21 years old, won the second Grand Slam championship of her career on Saturday, outlasting world No. 1 Aryna Sabalenka of Belarus 6-7 (5),