Mateo, who completed her senior season at Brigham Young University in the spring, will tee it up in her first U.S. Women's Open as the first alternate from the Honolulu qualifier. She also is making her professional debut after being added to the field on June 12. She has competed in three U.S. Women's Amateurs and a U.S. Girls' Junior. She registered two victories during her BYU career, including the 2022 Miami Hurricane Invitational. In 2021, she was named the West Coast Conference's Player of the Year.