[1] Yamashita was born in Neyagawa, Osaka in 2001 and started playing golf when she was five years old.

[1] She turned professional and joined the LPGA of Japan Tour in 2020.

[1] She captured the 2021 KKT Cup Vantelin Ladies Open for her maiden win on the JLPGA.

[2] In 2022, Yamashita recorded five wins and was the LPGA of Japan Tour leading money winner with ¥235,020,967.

[3] She also won the Mercedes Ranking (youngest ever)[4][5] and had the lowest scoring average, finished most often (21 times) inside the top-10.