Last August at Chambers Bay, Baba joined Michiko Hattori as the only players from Japan to claim the U.S. Women's Amateur. Baba was impressive in the 36-hole final, defeating University of Michigan standout Monet Chun, 11 and 9 It was the third largest margin of victory in a title match. In June, she celebrated her 17th birthday in style by qualifying for her first U.S. Women's Open and then tied for 49th at Pine Needles. In July, she was the stroke-play medalist at the U.S. Girls' Junior at The Club at Olde Stone, but was eliminated in the Round of 32. Baba also represented Japan in the 2022 Women's World Amateur Team Championship in France.